468911551 has 2 divisors, whose sum is σ = 468911552. Its totient is φ = 468911550.

The previous prime is 468911539. The next prime is 468911567. The reversal of 468911551 is 155119864.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 468911551 - 2⁹ = 468911039 is a prime.

It is a super-2 number, since 2×468911551² = 439756085322451202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468911501) 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, 234455775 + 234455776.

It is an arithmetic number, because the mean of its divisors is an integer number (234455776).

Almost surely, 2^468911551 is an apocalyptic number.

468911551 is a deficient number, since it is larger than the sum of its proper divisors (1).

468911551 is an equidigital number, since it uses as much as digits as its factorization.

468911551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 40.

The square root of 468911551 is about 21654.3656337469. The cubic root of 468911551 is about 776.8973565084.

The spelling of 468911551 in words is "four hundred sixty-eight million, nine hundred eleven thousand, five hundred fifty-one".