464636331423157 has 2 divisors, whose sum is σ = 464636331423158. Its totient is φ = 464636331423156.

The previous prime is 464636331423113. The next prime is 464636331423193. The reversal of 464636331423157 is 751324133636464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390592216720836 + 74044114702321 = 19763406^2 + 8604889^2 .

It is a cyclic number.

It is not a de Polignac number, because 464636331423157 - 2⁴³ = 455840238400949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464636331423757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232318165711578 + 232318165711579.

It is an arithmetic number, because the mean of its divisors is an integer number (232318165711579).

Almost surely, 2^{464636331423157} is an apocalyptic number.

It is an amenable number.

464636331423157 is a deficient number, since it is larger than the sum of its proper divisors (1).

464636331423157 is an equidigital number, since it uses as much as digits as its factorization.

464636331423157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78382080, while the sum is 58.

The spelling of 464636331423157 in words is "four hundred sixty-four trillion, six hundred thirty-six billion, three hundred thirty-one million, four hundred twenty-three thousand, one hundred fifty-seven".