468999137 has 2 divisors, whose sum is σ = 468999138. Its totient is φ = 468999136.

The previous prime is 468999127. The next prime is 468999149. The reversal of 468999137 is 731999864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405780736 + 63218401 = 20144^2 + 7951^2 .

It is a cyclic number.

It is not a de Polignac number, because 468999137 - 2²⁶ = 401890273 is a prime.

It is not a weakly prime, because it can be changed into another prime (468999127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234499568 + 234499569.

It is an arithmetic number, because the mean of its divisors is an integer number (234499569).

Almost surely, 2^468999137 is an apocalyptic number.

It is an amenable number.

468999137 is a deficient number, since it is larger than the sum of its proper divisors (1).

468999137 is an equidigital number, since it uses as much as digits as its factorization.

468999137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 56.

The square root of 468999137 is about 21656.3879028798. The cubic root of 468999137 is about 776.9457246179.

The spelling of 468999137 in words is "four hundred sixty-eight million, nine hundred ninety-nine thousand, one hundred thirty-seven".