47048992509 has 16 divisors (see below), whose sum is σ = 64426904640. Its totient is φ = 30529065600.

The previous prime is 47048992483. The next prime is 47048992513. The reversal of 47048992509 is 90529984074.

It is not a de Polignac number, because 47048992509 - 2⁸ = 47048992253 is a prime.

It is a super-2 number, since 2×47048992509² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47048992519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1298032 + ... + 1333785.

It is an arithmetic number, because the mean of its divisors is an integer number (4026681540).

Almost surely, 2^47048992509 is an apocalyptic number.

It is an amenable number.

47048992509 is a deficient number, since it is larger than the sum of its proper divisors (17377912131).

47048992509 is a wasteful number, since it uses less digits than its factorization.

47048992509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631980.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 47048992509 in words is "forty-seven billion, forty-eight million, nine hundred ninety-two thousand, five hundred nine".