49130626509 has 24 divisors (see below), whose sum is σ = 72348625440. Its totient is φ = 32116567392.

The previous prime is 49130626477. The next prime is 49130626543. The reversal of 49130626509 is 90562603194.

49130626509 is a `hidden beast` number, since 4 + 9 + 13 + 0 + 626 + 5 + 0 + 9 = 666.

It is not a de Polignac number, because 49130626509 - 2⁵ = 49130626477 is a prime.

It is a super-2 number, since 2×49130626509² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49130626309) 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, 791982 + ... + 851760.

It is an arithmetic number, because the mean of its divisors is an integer number (3014526060).

Almost surely, 2^49130626509 is an apocalyptic number.

It is an amenable number.

49130626509 is a deficient number, since it is larger than the sum of its proper divisors (23217998931).

49130626509 is a wasteful number, since it uses less digits than its factorization.

49130626509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61561 (or 61558 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 49130626509 in words is "forty-nine billion, one hundred thirty million, six hundred twenty-six thousand, five hundred nine".