464023129 has 2 divisors, whose sum is σ = 464023130. Its totient is φ = 464023128.

The previous prime is 464023123. The next prime is 464023139. The reversal of 464023129 is 921320464.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 463971600 + 51529 = 21540^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 464023129 - 2³ = 464023121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 464023129.

It is not a weakly prime, because it can be changed into another prime (464023121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232011564 + 232011565.

It is an arithmetic number, because the mean of its divisors is an integer number (232011565).

Almost surely, 2^464023129 is an apocalyptic number.

It is an amenable number.

464023129 is a deficient number, since it is larger than the sum of its proper divisors (1).

464023129 is an equidigital number, since it uses as much as digits as its factorization.

464023129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 464023129 is about 21541.1960902825. The cubic root of 464023129 is about 774.1881913466.

The spelling of 464023129 in words is "four hundred sixty-four million, twenty-three thousand, one hundred twenty-nine".