3780651169 has 3 divisors (see below), whose sum is σ = 3780712657. Its totient is φ = 3780589682.

The previous prime is 3780651167. The next prime is 3780651181. The reversal of 3780651169 is 9611560873.

It is a happy number.

The square root of 3780651169 is 61487.

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.

It is not a de Polignac number, because 3780651169 - 2¹ = 3780651167 is a prime.

It is a super-2 number, since 2×3780651169² = 28586646523322133122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3780651163) 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, 30744 + ... + 92230.

Almost surely, 2^3780651169 is an apocalyptic number.

3780651169 is the 61487-th square number.

3780651169 is the 30744-th centered octagonal number.

It is an amenable number.

3780651169 is a deficient number, since it is larger than the sum of its proper divisors (61488).

3780651169 is an frugal number, since it uses more digits than its factorization.

3780651169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122974 (or 61487 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The cubic root of 3780651169 is about 1557.8376749219.

The spelling of 3780651169 in words is "three billion, seven hundred eighty million, six hundred fifty-one thousand, one hundred sixty-nine".