4125137789 has 4 divisors (see below), whose sum is σ = 4127120256. Its totient is φ = 4123155324.

The previous prime is 4125137777. The next prime is 4125137831. The reversal of 4125137789 is 9877315214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4125137789 - 2⁴ = 4125137773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125137719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988109 + ... + 992274.

It is an arithmetic number, because the mean of its divisors is an integer number (1031780064).

Almost surely, 2^4125137789 is an apocalyptic number.

It is an amenable number.

4125137789 is a deficient number, since it is larger than the sum of its proper divisors (1982467).

4125137789 is a wasteful number, since it uses less digits than its factorization.

4125137789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982466.

The product of its digits is 423360, while the sum is 47.

The square root of 4125137789 is about 64227.2355702781. The cubic root of 4125137789 is about 1603.7850218879.

The spelling of 4125137789 in words is "four billion, one hundred twenty-five million, one hundred thirty-seven thousand, seven hundred eighty-nine".