231846487899 has 16 divisors (see below), whose sum is σ = 333192136704. Its totient is φ = 142552893600.

The previous prime is 231846487871. The next prime is 231846487933. The reversal of 231846487899 is 998784648132.

It is not a de Polignac number, because 231846487899 - 2¹⁵ = 231846455131 is a prime.

It is a super-2 number, since 2×231846487899² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231846487099) 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, 2492667 + ... + 2584004.

It is an arithmetic number, because the mean of its divisors is an integer number (20824508544).

Almost surely, 2^231846487899 is an apocalyptic number.

231846487899 is a deficient number, since it is larger than the sum of its proper divisors (101345648805).

231846487899 is a wasteful number, since it uses less digits than its factorization.

231846487899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077858.

The product of its digits is 167215104, while the sum is 69.

The spelling of 231846487899 in words is "two hundred thirty-one billion, eight hundred forty-six million, four hundred eighty-seven thousand, eight hundred ninety-nine".