946720651 has 2 divisors, whose sum is σ = 946720652. Its totient is φ = 946720650.

The previous prime is 946720601. The next prime is 946720673. The reversal of 946720651 is 156027649.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 946720651 - 2⁹ = 946720139 is a prime.

It is not a weakly prime, because it can be changed into another prime (946720601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473360325 + 473360326.

It is an arithmetic number, because the mean of its divisors is an integer number (473360326).

Almost surely, 2^946720651 is an apocalyptic number.

946720651 is a deficient number, since it is larger than the sum of its proper divisors (1).

946720651 is an equidigital number, since it uses as much as digits as its factorization.

946720651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 946720651 is about 30768.8259607025. The cubic root of 946720651 is about 981.9151259600.

The spelling of 946720651 in words is "nine hundred forty-six million, seven hundred twenty thousand, six hundred fifty-one".