49337902581 has 12 divisors (see below), whose sum is σ = 72307890816. Its totient is φ = 29901758920.

The previous prime is 49337902561. The next prime is 49337902631. The reversal of 49337902581 is 18520973394.

It is not a de Polignac number, because 49337902581 - 2⁹ = 49337902069 is a prime.

It is a super-2 number, since 2×49337902581² (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 (49337902511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67958181 + ... + 67958906.

It is an arithmetic number, because the mean of its divisors is an integer number (6025657568).

Almost surely, 2^49337902581 is an apocalyptic number.

It is an amenable number.

49337902581 is a deficient number, since it is larger than the sum of its proper divisors (22969988235).

49337902581 is a wasteful number, since it uses less digits than its factorization.

49337902581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135917112 (or 135917101 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 49337902581 in words is "forty-nine billion, three hundred thirty-seven million, nine hundred two thousand, five hundred eighty-one".