455604691 has 2 divisors, whose sum is σ = 455604692. Its totient is φ = 455604690.

The previous prime is 455604673. The next prime is 455604697. The reversal of 455604691 is 196406554.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 455604691 - 2¹³ = 455596499 is a prime.

It is a super-2 number, since 2×455604691² = 415151268922410962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (455604697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227802345 + 227802346.

It is an arithmetic number, because the mean of its divisors is an integer number (227802346).

Almost surely, 2^455604691 is an apocalyptic number.

455604691 is a deficient number, since it is larger than the sum of its proper divisors (1).

455604691 is an equidigital number, since it uses as much as digits as its factorization.

455604691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 455604691 is about 21344.8984771537. The cubic root of 455604691 is about 769.4777427806.

The spelling of 455604691 in words is "four hundred fifty-five million, six hundred four thousand, six hundred ninety-one".