1956945556 has 24 divisors (see below), whose sum is σ = 3537175040. Its totient is φ = 946360800.

The previous prime is 1956945521. The next prime is 1956945589. The reversal of 1956945556 is 6555496591.

It is a super-4 number, since 4×1956945556⁴ (a number of 38 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1956945497 and 1956945506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283150 + ... + 289978.

Almost surely, 2^1956945556 is an apocalyptic number.

It is an amenable number.

1956945556 is a deficient number, since it is larger than the sum of its proper divisors (1580229484).

1956945556 is a wasteful number, since it uses less digits than its factorization.

1956945556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9175 (or 9173 counting only the distinct ones).

The product of its digits is 7290000, while the sum is 55.

The square root of 1956945556 is about 44237.3773634921. The cubic root of 1956945556 is about 1250.8145210757.

The spelling of 1956945556 in words is "one billion, nine hundred fifty-six million, nine hundred forty-five thousand, five hundred fifty-six".