49647449890 has 32 divisors (see below), whose sum is σ = 92023116480. Its totient is φ = 19271214144.

The previous prime is 49647449879. The next prime is 49647449911. The reversal of 49647449890 is 9894474694.

It is a super-2 number, since 2×49647449890² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36792 + ... + 317251.

It is an arithmetic number, because the mean of its divisors is an integer number (2875722390).

Almost surely, 2^49647449890 is an apocalyptic number.

49647449890 is a deficient number, since it is larger than the sum of its proper divisors (42375666590).

49647449890 is a wasteful number, since it uses less digits than its factorization.

49647449890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354466.

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 49647449890 in words is "forty-nine billion, six hundred forty-seven million, four hundred forty-nine thousand, eight hundred ninety".