82451436474 has 32 divisors (see below), whose sum is σ = 184756049856. Its totient is φ = 24310005120.

The previous prime is 82451436469. The next prime is 82451436479. The reversal of 82451436474 is 47463415428.

It is an interprime number because it is at equal distance from previous prime (82451436469) and next prime (82451436479).

It is not an unprimeable number, because it can be changed into a prime (82451436479) 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, 16879507 + ... + 16884390.

It is an arithmetic number, because the mean of its divisors is an integer number (5773626558).

Almost surely, 2^82451436474 is an apocalyptic number.

82451436474 is an abundant number, since it is smaller than the sum of its proper divisors (102304613382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82451436474 is a wasteful number, since it uses less digits than its factorization.

82451436474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33763950.

The product of its digits is 2580480, while the sum is 48.

The spelling of 82451436474 in words is "eighty-two billion, four hundred fifty-one million, four hundred thirty-six thousand, four hundred seventy-four".