49627809529 has 3 divisors (see below), whose sum is σ = 49628032303. Its totient is φ = 49627586756.

The previous prime is 49627809509. The next prime is 49627809541. The reversal of 49627809529 is 92590872694.

The square root of 49627809529 is 222773.

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

49627809529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 only one way, i.e., 37995755625 + 11632053904 = 194925^2 + 107852^2 .

It is not a de Polignac number, because 49627809529 - 2¹⁵ = 49627776761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49627809509) 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, 111387 + ... + 334159.

Almost surely, 2^49627809529 is an apocalyptic number.

49627809529 is the 222773-rd square number.

49627809529 is the 111387-th centered octagonal number.

It is an amenable number.

49627809529 is a deficient number, since it is larger than the sum of its proper divisors (222774).

49627809529 is an frugal number, since it uses more digits than its factorization.

49627809529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445546 (or 222773 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 61.

The spelling of 49627809529 in words is "forty-nine billion, six hundred twenty-seven million, eight hundred nine thousand, five hundred twenty-nine".