464420075455657 has 2 divisors, whose sum is σ = 464420075455658. Its totient is φ = 464420075455656.

The previous prime is 464420075455603. The next prime is 464420075455717. The reversal of 464420075455657 is 756554570024464.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 448372832633856 + 16047242821801 = 21174816^2 + 4005901^2 .

It is a cyclic number.

It is not a de Polignac number, because 464420075455657 - 2⁴³ = 455623982433449 is a prime.

It is not a weakly prime, because it can be changed into another prime (464420075455757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232210037727828 + 232210037727829.

It is an arithmetic number, because the mean of its divisors is an integer number (232210037727829).

Almost surely, 2^{464420075455657} is an apocalyptic number.

It is an amenable number.

464420075455657 is a deficient number, since it is larger than the sum of its proper divisors (1).

464420075455657 is an equidigital number, since it uses as much as digits as its factorization.

464420075455657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480000, while the sum is 64.

The spelling of 464420075455657 in words is "four hundred sixty-four trillion, four hundred twenty billion, seventy-five million, four hundred fifty-five thousand, six hundred fifty-seven".