981513219620 has 48 divisors (see below), whose sum is σ = 2121457637376. Its totient is φ = 381214176000.

The previous prime is 981513219559. The next prime is 981513219623. The reversal of 981513219620 is 26912315189.

981513219620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (981513219623) 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, 2663396 + ... + 3009435.

It is an arithmetic number, because the mean of its divisors is an integer number (44197034112).

Almost surely, 2^981513219620 is an apocalyptic number.

It is an amenable number.

981513219620 is an abundant number, since it is smaller than the sum of its proper divisors (1139944417756).

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

981513219620 is a wasteful number, since it uses less digits than its factorization.

981513219620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5673092 (or 5673090 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 981513219620 in words is "nine hundred eighty-one billion, five hundred thirteen million, two hundred nineteen thousand, six hundred twenty".