1956957914 has 4 divisors (see below), whose sum is σ = 2935436874. Its totient is φ = 978478956.

The previous prime is 1956957889. The next prime is 1956957917. The reversal of 1956957914 is 4197596591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4197596591 = 2333 ⋅1799227.

It can be written as a sum of positive squares in only one way, i.e., 1874457025 + 82500889 = 43295^2 + 9083^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1956957914.

It is not an unprimeable number, because it can be changed into a prime (1956957917) 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 as a sum of consecutive naturals, namely, 489239477 + ... + 489239480.

Almost surely, 2^1956957914 is an apocalyptic number.

1956957914 is a deficient number, since it is larger than the sum of its proper divisors (978478960).

1956957914 is an equidigital number, since it uses as much as digits as its factorization.

1956957914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978478959.

The product of its digits is 3061800, while the sum is 56.

The square root of 1956957914 is about 44237.5170415339. The cubic root of 1956957914 is about 1250.8171540111.

The spelling of 1956957914 in words is "one billion, nine hundred fifty-six million, nine hundred fifty-seven thousand, nine hundred fourteen".