49422685537 has 4 divisors (see below), whose sum is σ = 49423240980. Its totient is φ = 49422130096.

The previous prime is 49422685523. The next prime is 49422685577. The reversal of 49422685537 is 73558622494.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 31295025216 + 18127660321 = 176904^2 + 134639^2 .

It is a cyclic number.

It is not a de Polignac number, because 49422685537 - 2¹¹ = 49422683489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49422685577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110818 + ... + 333355.

It is an arithmetic number, because the mean of its divisors is an integer number (12355810245).

Almost surely, 2^49422685537 is an apocalyptic number.

It is an amenable number.

49422685537 is a deficient number, since it is larger than the sum of its proper divisors (555443).

49422685537 is a wasteful number, since it uses less digits than its factorization.

49422685537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555442.

The product of its digits is 14515200, while the sum is 55.

The spelling of 49422685537 in words is "forty-nine billion, four hundred twenty-two million, six hundred eighty-five thousand, five hundred thirty-seven".