462723889 has 2 divisors, whose sum is σ = 462723890. Its totient is φ = 462723888.

The previous prime is 462723881. The next prime is 462723923. The reversal of 462723889 is 988327264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433347489 + 29376400 = 20817^2 + 5420^2 .

It is a cyclic number.

It is not a de Polignac number, because 462723889 - 2³ = 462723881 is a prime.

It is a super-2 number, since 2×462723889² = 428226794902568642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (462723881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231361944 + 231361945.

It is an arithmetic number, because the mean of its divisors is an integer number (231361945).

Almost surely, 2^462723889 is an apocalyptic number.

It is an amenable number.

462723889 is a deficient number, since it is larger than the sum of its proper divisors (1).

462723889 is an equidigital number, since it uses as much as digits as its factorization.

462723889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 49.

The square root of 462723889 is about 21511.0178513245. The cubic root of 462723889 is about 773.4649540429.

The spelling of 462723889 in words is "four hundred sixty-two million, seven hundred twenty-three thousand, eight hundred eighty-nine".