1956964967 has 4 divisors (see below), whose sum is σ = 1958558520. Its totient is φ = 1955371416.

The previous prime is 1956964949. The next prime is 1956965027. The reversal of 1956964967 is 7694696591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1956964967 - 2¹⁸ = 1956702823 is a prime.

It is a super-2 number, since 2×1956964967² = 7659423764130622178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1956961967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794933 + ... + 797390.

It is an arithmetic number, because the mean of its divisors is an integer number (489639630).

Almost surely, 2^1956964967 is an apocalyptic number.

1956964967 is a deficient number, since it is larger than the sum of its proper divisors (1593553).

1956964967 is a wasteful number, since it uses less digits than its factorization.

1956964967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593552.

The product of its digits is 22044960, while the sum is 62.

The square root of 1956964967 is about 44237.5967588656. The cubic root of 1956964967 is about 1250.8186566839.

The spelling of 1956964967 in words is "one billion, nine hundred fifty-six million, nine hundred sixty-four thousand, nine hundred sixty-seven".