49521764338 has 8 divisors (see below), whose sum is σ = 74290142700. Its totient is φ = 24758383440.

The previous prime is 49521764333. The next prime is 49521764437. The reversal of 49521764338 is 83346712594.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48099946489 + 1421817849 = 219317^2 + 37707^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (49521764333) 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, 1224493 + ... + 1264288.

Almost surely, 2^49521764338 is an apocalyptic number.

49521764338 is a deficient number, since it is larger than the sum of its proper divisors (24768378362).

49521764338 is a wasteful number, since it uses less digits than its factorization.

49521764338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498732.

The product of its digits is 4354560, while the sum is 52.

The spelling of 49521764338 in words is "forty-nine billion, five hundred twenty-one million, seven hundred sixty-four thousand, three hundred thirty-eight".