464097222639 has 24 divisors (see below), whose sum is σ = 684728104320. Its totient is φ = 302814147408.

The previous prime is 464097222637. The next prime is 464097222679. The reversal of 464097222639 is 936222790464.

464097222639 is a `hidden beast` number, since 4 + 6 + 409 + 7 + 2 + 226 + 3 + 9 = 666.

It is not a de Polignac number, because 464097222639 - 2¹ = 464097222637 is a prime.

It is a super-2 number, since 2×464097222639² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464097222637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1804587 + ... + 2045660.

It is an arithmetic number, because the mean of its divisors is an integer number (28530337680).

Almost surely, 2^464097222639 is an apocalyptic number.

464097222639 is a deficient number, since it is larger than the sum of its proper divisors (220630881681).

464097222639 is a wasteful number, since it uses less digits than its factorization.

464097222639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850539 (or 3850536 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 464097222639 in words is "four hundred sixty-four billion, ninety-seven million, two hundred twenty-two thousand, six hundred thirty-nine".