464888888649 has 64 divisors (see below), whose sum is σ = 697286983680. Its totient is φ = 306105704640.

The previous prime is 464888888549. The next prime is 464888888669. The reversal of 464888888649 is 946888888464.

It is not a de Polignac number, because 464888888649 - 2⁷ = 464888888521 is a prime.

It is a super-2 number, since 2×464888888649² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (464888888669) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 718529644 + ... + 718530290.

It is an arithmetic number, because the mean of its divisors is an integer number (10895109120).

Almost surely, 2^464888888649 is an apocalyptic number.

It is an amenable number.

464888888649 is a deficient number, since it is larger than the sum of its proper divisors (232398095031).

464888888649 is a wasteful number, since it uses less digits than its factorization.

464888888649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627 (or 1621 counting only the distinct ones).

The product of its digits is 5435817984, while the sum is 81.

The spelling of 464888888649 in words is "four hundred sixty-four billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, six hundred forty-nine".