3751930009 has 3 divisors (see below), whose sum is σ = 3751991263. Its totient is φ = 3751868756.

The previous prime is 3751930003. The next prime is 3751930033. The reversal of 3751930009 is 9000391573.

The square root of 3751930009 is 61253.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9000391573 = 443 ⋅20316911.

It can be written as a sum of positive squares in only one way, i.e., 414326025 + 3337603984 = 20355^2 + 57772^2 .

It is not a de Polignac number, because 3751930009 - 2⁹ = 3751929497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3751930009.

It is not an unprimeable number, because it can be changed into a prime (3751930003) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 30627 + ... + 91879.

Almost surely, 2^3751930009 is an apocalyptic number.

3751930009 is the 61253-rd square number.

3751930009 is the 30627-th centered octagonal number.

It is an amenable number.

3751930009 is a deficient number, since it is larger than the sum of its proper divisors (61254).

3751930009 is an frugal number, since it uses more digits than its factorization.

3751930009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122506 (or 61253 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 37.

The cubic root of 3751930009 is about 1553.8827400069.

It can be divided in two parts, 37519 and 30009, that added together give a triangular number (67528 = T₃₆₇).

The spelling of 3751930009 in words is "three billion, seven hundred fifty-one million, nine hundred thirty thousand, nine".