49263637665636 has 27 divisors (see below), whose sum is σ = 124527634995673. Its totient is φ = 16421198517600.

The previous prime is 49263637665617. The next prime is 49263637665637. The reversal of 49263637665636 is 63656673636294.

The square root of 49263637665636 is 7018806.

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

49263637665636 is a `hidden beast` number, since 4 + 9 + 26 + 3 + 6 + 37 + 6 + 6 + 563 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23634123912036 + 25629513753600 = 4861494^2 + 5062560^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49263637665637) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 41527936 + ... + 42697736.

Almost surely, 2^{49263637665636} is an apocalyptic number.

49263637665636 is the 7018806-th square number.

It is an amenable number.

49263637665636 is an abundant number, since it is smaller than the sum of its proper divisors (75263997330037).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49263637665636 is an frugal number, since it uses more digits than its factorization.

49263637665636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339612 (or 1169806 counting only the distinct ones).

The product of its digits is 3174474240, while the sum is 72.

The spelling of 49263637665636 in words is "forty-nine trillion, two hundred sixty-three billion, six hundred thirty-seven million, six hundred sixty-five thousand, six hundred thirty-six".