945923651 has 2 divisors, whose sum is σ = 945923652. Its totient is φ = 945923650.

The previous prime is 945923623. The next prime is 945923663. The reversal of 945923651 is 156329549.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-945923651 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (945923351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472961825 + 472961826.

It is an arithmetic number, because the mean of its divisors is an integer number (472961826).

Almost surely, 2^945923651 is an apocalyptic number.

945923651 is a deficient number, since it is larger than the sum of its proper divisors (1).

945923651 is an equidigital number, since it uses as much as digits as its factorization.

945923651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 44.

The square root of 945923651 is about 30755.8718133627. The cubic root of 945923651 is about 981.6395057388.

The spelling of 945923651 in words is "nine hundred forty-five million, nine hundred twenty-three thousand, six hundred fifty-one".