1956464169 has 32 divisors (see below), whose sum is σ = 2868566400. Its totient is φ = 1176284160.

The previous prime is 1956464141. The next prime is 1956464173. The reversal of 1956464169 is 9614646591.

It is a happy number.

It is not a de Polignac number, because 1956464169 - 2⁸ = 1956463913 is a prime.

It is a super-2 number, since 2×1956464169² = 7655504089161721122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1956464129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3843487 + ... + 3843995.

It is an arithmetic number, because the mean of its divisors is an integer number (89642700).

Almost surely, 2^1956464169 is an apocalyptic number.

It is an amenable number.

1956464169 is a deficient number, since it is larger than the sum of its proper divisors (912102231).

1956464169 is a wasteful number, since it uses less digits than its factorization.

1956464169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225.

The product of its digits is 1399680, while the sum is 51.

The square root of 1956464169 is about 44231.9360756456. The cubic root of 1956464169 is about 1250.7119504776.

The spelling of 1956464169 in words is "one billion, nine hundred fifty-six million, four hundred sixty-four thousand, one hundred sixty-nine".