3890651169 has 4 divisors (see below), whose sum is σ = 5187534896. Its totient is φ = 2593767444.

The previous prime is 3890651159. The next prime is 3890651173. The reversal of 3890651169 is 9611560983.

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 not a de Polignac number, because 3890651169 - 2⁴ = 3890651153 is a prime.

It is a super-2 number, since 2×3890651169² = 30274333037682133122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3890651159) 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, 648441859 + ... + 648441864.

It is an arithmetic number, because the mean of its divisors is an integer number (1296883724).

Almost surely, 2^3890651169 is an apocalyptic number.

It is an amenable number.

3890651169 is a deficient number, since it is larger than the sum of its proper divisors (1296883727).

3890651169 is a wasteful number, since it uses less digits than its factorization.

3890651169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296883726.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 3890651169 is about 62375.0845209848. The cubic root of 3890651169 is about 1572.8021641841.

The spelling of 3890651169 in words is "three billion, eight hundred ninety million, six hundred fifty-one thousand, one hundred sixty-nine".