47409815499 has 16 divisors (see below), whose sum is σ = 63654937632. Its totient is φ = 31386348288.

The previous prime is 47409815449. The next prime is 47409815503. The reversal of 47409815499 is 99451890474.

It is not a de Polignac number, because 47409815499 - 2¹³ = 47409807307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47409815449) 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, 169809 + ... + 351645.

It is an arithmetic number, because the mean of its divisors is an integer number (3978433602).

Almost surely, 2^47409815499 is an apocalyptic number.

47409815499 is a deficient number, since it is larger than the sum of its proper divisors (16245122133).

47409815499 is a wasteful number, since it uses less digits than its factorization.

47409815499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182446.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 47409815499 in words is "forty-seven billion, four hundred nine million, eight hundred fifteen thousand, four hundred ninety-nine".