49904879236 has 9 divisors (see below), whose sum is σ = 87334320549. Its totient is φ = 24952216224.

The previous prime is 49904879231. The next prime is 49904879237. The reversal of 49904879236 is 63297840994.

The square root of 49904879236 is 223394.

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., 7738720900 + 42166158336 = 87970^2 + 205344^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49904879231) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 390940 + ... + 502636.

Almost surely, 2^49904879236 is an apocalyptic number.

49904879236 is the 223394-th square number.

It is an amenable number.

49904879236 is a deficient number, since it is larger than the sum of its proper divisors (37429441313).

49904879236 is an frugal number, since it uses more digits than its factorization.

49904879236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223398 (or 111699 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 49904879236 in words is "forty-nine billion, nine hundred four million, eight hundred seventy-nine thousand, two hundred thirty-six".