47698714921 has 16 divisors (see below), whose sum is σ = 56118863808. Its totient is φ = 39968884800.

The previous prime is 47698714919. The next prime is 47698714951. The reversal of 47698714921 is 12941789674.

It is not a de Polignac number, because 47698714921 - 2¹ = 47698714919 is a prime.

It is a super-2 number, since 2×47698714921² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47698714951) 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, 142546 + ... + 340171.

It is an arithmetic number, because the mean of its divisors is an integer number (3507428988).

Almost surely, 2^47698714921 is an apocalyptic number.

It is an amenable number.

47698714921 is a deficient number, since it is larger than the sum of its proper divisors (8420148887).

47698714921 is a wasteful number, since it uses less digits than its factorization.

47698714921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483432.

The product of its digits is 6096384, while the sum is 58.

The spelling of 47698714921 in words is "forty-seven billion, six hundred ninety-eight million, seven hundred fourteen thousand, nine hundred twenty-one".