451379629 has 2 divisors, whose sum is σ = 451379630. Its totient is φ = 451379628.

The previous prime is 451379611. The next prime is 451379633. The reversal of 451379629 is 926973154.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 443102500 + 8277129 = 21050^2 + 2877^2 .

It is a cyclic number.

It is not a de Polignac number, because 451379629 - 2⁷ = 451379501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451379639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225689814 + 225689815.

It is an arithmetic number, because the mean of its divisors is an integer number (225689815).

Almost surely, 2^451379629 is an apocalyptic number.

It is an amenable number.

451379629 is a deficient number, since it is larger than the sum of its proper divisors (1).

451379629 is an equidigital number, since it uses as much as digits as its factorization.

451379629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 46.

The square root of 451379629 is about 21245.6967172178. The cubic root of 451379629 is about 767.0917613760.

The spelling of 451379629 in words is "four hundred fifty-one million, three hundred seventy-nine thousand, six hundred twenty-nine".