462689993 has 2 divisors, whose sum is σ = 462689994. Its totient is φ = 462689992.

The previous prime is 462689971. The next prime is 462690047. The reversal of 462689993 is 399986264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290634304 + 172055689 = 17048^2 + 13117^2 .

It is a cyclic number.

It is not a de Polignac number, because 462689993 - 2⁸ = 462689737 is a prime.

It is not a weakly prime, because it can be changed into another prime (462689923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231344996 + 231344997.

It is an arithmetic number, because the mean of its divisors is an integer number (231344997).

Almost surely, 2^462689993 is an apocalyptic number.

It is an amenable number.

462689993 is a deficient number, since it is larger than the sum of its proper divisors (1).

462689993 is an equidigital number, since it uses as much as digits as its factorization.

462689993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5038848, while the sum is 56.

The square root of 462689993 is about 21510.2299615787. The cubic root of 462689993 is about 773.4460673238.

The spelling of 462689993 in words is "four hundred sixty-two million, six hundred eighty-nine thousand, nine hundred ninety-three".