82131453454 has 8 divisors (see below), whose sum is σ = 123202635408. Its totient is φ = 41063908320.

The previous prime is 82131453449. The next prime is 82131453479. The reversal of 82131453454 is 45435413128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852027 + ... + 943510.

It is an arithmetic number, because the mean of its divisors is an integer number (15400329426).

Almost surely, 2^82131453454 is an apocalyptic number.

82131453454 is a deficient number, since it is larger than the sum of its proper divisors (41071181954).

82131453454 is a wasteful number, since it uses less digits than its factorization.

82131453454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818410.

The product of its digits is 230400, while the sum is 40.

The spelling of 82131453454 in words is "eighty-two billion, one hundred thirty-one million, four hundred fifty-three thousand, four hundred fifty-four".