49646229815 has 64 divisors (see below), whose sum is σ = 75447542016. Its totient is φ = 30517420032.

The previous prime is 49646229779. The next prime is 49646229817. The reversal of 49646229815 is 51892264694.

It is not a de Polignac number, because 49646229815 - 2⁶ = 49646229751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49646229817) 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, 9980669 + ... + 9985641.

It is an arithmetic number, because the mean of its divisors is an integer number (1178867844).

Almost surely, 2^49646229815 is an apocalyptic number.

49646229815 is a deficient number, since it is larger than the sum of its proper divisors (25801312201).

49646229815 is a wasteful number, since it uses less digits than its factorization.

49646229815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5628.

The product of its digits is 7464960, while the sum is 56.

The spelling of 49646229815 in words is "forty-nine billion, six hundred forty-six million, two hundred twenty-nine thousand, eight hundred fifteen".