981565058274 has 16 divisors (see below), whose sum is σ = 2004898843008. Its totient is φ = 320226898352.

The previous prime is 981565058189. The next prime is 981565058401. The reversal of 981565058274 is 472850565189.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1740363297 + ... + 1740363860.

It is an arithmetic number, because the mean of its divisors is an integer number (125306177688).

Almost surely, 2^981565058274 is an apocalyptic number.

981565058274 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

981565058274 is an abundant number, since it is smaller than the sum of its proper divisors (1023333784734).

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

981565058274 is a wasteful number, since it uses less digits than its factorization.

981565058274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480727209.

The product of its (nonzero) digits is 24192000, while the sum is 60.

The spelling of 981565058274 in words is "nine hundred eighty-one billion, five hundred sixty-five million, fifty-eight thousand, two hundred seventy-four".