49999861239364 has 9 divisors (see below), whose sum is σ = 87499781917597. Its totient is φ = 24999923548624.

The previous prime is 49999861239359. The next prime is 49999861239413. The reversal of 49999861239364 is 46393216899994.

The square root of 49999861239364 is 7071058.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 44203323479364 + 5796537760000 = 6648558^2 + 2407600^2 .

It is a super-3 number, since 3×49999861239364³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12374352 + ... + 15909880.

Almost surely, 2^{49999861239364} is an apocalyptic number.

49999861239364 is the 7071058-th square number.

It is an amenable number.

49999861239364 is a deficient number, since it is larger than the sum of its proper divisors (37499920678233).

49999861239364 is an frugal number, since it uses more digits than its factorization.

49999861239364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7071062 (or 3535531 counting only the distinct ones).

The product of its digits is 4897760256, while the sum is 82.

The spelling of 49999861239364 in words is "forty-nine trillion, nine hundred ninety-nine billion, eight hundred sixty-one million, two hundred thirty-nine thousand, three hundred sixty-four".