956354491 has 2 divisors, whose sum is σ = 956354492. Its totient is φ = 956354490.

The previous prime is 956354473. The next prime is 956354507. The reversal of 956354491 is 194453659.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 956354491 - 2⁵ = 956354459 is a prime.

It is a super-2 number, since 2×956354491² = 1829227824911738162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (956354461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478177245 + 478177246.

It is an arithmetic number, because the mean of its divisors is an integer number (478177246).

Almost surely, 2^956354491 is an apocalyptic number.

956354491 is a deficient number, since it is larger than the sum of its proper divisors (1).

956354491 is an equidigital number, since it uses as much as digits as its factorization.

956354491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 46.

The square root of 956354491 is about 30924.9816653139. The cubic root of 956354491 is about 985.2345515798.

The spelling of 956354491 in words is "nine hundred fifty-six million, three hundred fifty-four thousand, four hundred ninety-one".