47998749740769 has 9 divisors (see below), whose sum is σ = 69331557425169. Its totient is φ = 31999152637620.

The previous prime is 47998749740731. The next prime is 47998749740863. The reversal of 47998749740769 is 96704794789974.

The square root of 47998749740769 is 6928113.

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

47998749740769 is a `hidden beast` number, since 4 + 7 + 9 + 9 + 8 + 7 + 497 + 40 + 76 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 47998749740769 - 2¹⁵ = 47998749708001 is a prime.

It is a super-2 number, since 2×47998749740769² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47998749740719) 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, 19629654 + ... + 21939024.

Almost surely, 2^{47998749740769} is an apocalyptic number.

47998749740769 is the 6928113-rd square number.

47998749740769 is the 3464057-th centered octagonal number.

It is an amenable number.

47998749740769 is a deficient number, since it is larger than the sum of its proper divisors (21332807684400).

47998749740769 is an frugal number, since it uses more digits than its factorization.

47998749740769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4618748 (or 2309374 counting only the distinct ones).

The product of its (nonzero) digits is 48393096192, while the sum is 90.

The spelling of 47998749740769 in words is "forty-seven trillion, nine hundred ninety-eight billion, seven hundred forty-nine million, seven hundred forty thousand, seven hundred sixty-nine".