464520169 has 2 divisors, whose sum is σ = 464520170. Its totient is φ = 464520168.

The previous prime is 464520107. The next prime is 464520187. The reversal of 464520169 is 961025464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 400520169 + 64000000 = 20013^2 + 8000^2 .

It is a cyclic number.

It is not a de Polignac number, because 464520169 - 2¹³ = 464511977 is a prime.

It is a super-2 number, since 2×464520169² = 431557974815577122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (464560169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232260084 + 232260085.

It is an arithmetic number, because the mean of its divisors is an integer number (232260085).

Almost surely, 2^464520169 is an apocalyptic number.

It is an amenable number.

464520169 is a deficient number, since it is larger than the sum of its proper divisors (1).

464520169 is an equidigital number, since it uses as much as digits as its factorization.

464520169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 464520169 is about 21552.7299662943. The cubic root of 464520169 is about 774.4645175051.

The spelling of 464520169 in words is "four hundred sixty-four million, five hundred twenty thousand, one hundred sixty-nine".