1956435745 has 32 divisors (see below), whose sum is σ = 2655483264. Its totient is φ = 1371302400.

The previous prime is 1956435739. The next prime is 1956435749. The reversal of 1956435745 is 5475346591.

It is not a de Polignac number, because 1956435745 - 2⁷ = 1956435617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1956435749) 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, 181939 + ... + 192391.

It is an arithmetic number, because the mean of its divisors is an integer number (82983852).

Almost surely, 2^1956435745 is an apocalyptic number.

It is an amenable number.

1956435745 is a deficient number, since it is larger than the sum of its proper divisors (699047519).

1956435745 is a wasteful number, since it uses less digits than its factorization.

1956435745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10593.

The product of its digits is 2268000, while the sum is 49.

The square root of 1956435745 is about 44231.6147681723. The cubic root of 1956435745 is about 1250.7058935631.

The spelling of 1956435745 in words is "one billion, nine hundred fifty-six million, four hundred thirty-five thousand, seven hundred forty-five".