1956742965 has 48 divisors (see below), whose sum is σ = 3542572800. Its totient is φ = 998130816.

The previous prime is 1956742943. The next prime is 1956743029. The reversal of 1956742965 is 5692476591.

1956742965 is a `hidden beast` number, since 19 + 567 + 4 + 2 + 9 + 65 = 666.

It is not a de Polignac number, because 1956742965 - 2⁶ = 1956742901 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88276 + ... + 108194.

It is an arithmetic number, because the mean of its divisors is an integer number (73803600).

Almost surely, 2^1956742965 is an apocalyptic number.

1956742965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1956742965 is a deficient number, since it is larger than the sum of its proper divisors (1585829835).

1956742965 is a wasteful number, since it uses less digits than its factorization.

1956742965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20026 (or 20023 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 1956742965 is about 44235.0874871973. The cubic root of 1956742965 is about 1250.7713564428.

The spelling of 1956742965 in words is "one billion, nine hundred fifty-six million, seven hundred forty-two thousand, nine hundred sixty-five".