49782947065 has 16 divisors (see below), whose sum is σ = 61689672000. Its totient is φ = 38543262912.

The previous prime is 49782947051. The next prime is 49782947113. The reversal of 49782947065 is 56074928794.

It is a cyclic number.

It is not a de Polignac number, because 49782947065 - 2³³ = 41193012473 is a prime.

It is a super-2 number, since 2×49782947065² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49782946994 and 49782947012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1038715 + ... + 1085584.

It is an arithmetic number, because the mean of its divisors is an integer number (3855604500).

Almost surely, 2^49782947065 is an apocalyptic number.

It is an amenable number.

49782947065 is a deficient number, since it is larger than the sum of its proper divisors (11906724935).

49782947065 is a wasteful number, since it uses less digits than its factorization.

49782947065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124456.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 49782947065 in words is "forty-nine billion, seven hundred eighty-two million, nine hundred forty-seven thousand, sixty-five".