464689969986457 has 2 divisors, whose sum is σ = 464689969986458. Its totient is φ = 464689969986456.

The previous prime is 464689969986421. The next prime is 464689969986491. The reversal of 464689969986457 is 754689969986464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239463833195161 + 225226136791296 = 15474619^2 + 15007536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464689969986457 is a prime.

It is not a weakly prime, because it can be changed into another prime (464689969986497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232344984993228 + 232344984993229.

It is an arithmetic number, because the mean of its divisors is an integer number (232344984993229).

Almost surely, 2^{464689969986457} is an apocalyptic number.

It is an amenable number.

464689969986457 is a deficient number, since it is larger than the sum of its proper divisors (1).

464689969986457 is an equidigital number, since it uses as much as digits as its factorization.

464689969986457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1218998108160, while the sum is 100.

The spelling of 464689969986457 in words is "four hundred sixty-four trillion, six hundred eighty-nine billion, nine hundred sixty-nine million, nine hundred eighty-six thousand, four hundred fifty-seven".