1021475918604 has 24 divisors (see below), whose sum is σ = 2460329095168. Its totient is φ = 329508360720.

The previous prime is 1021475918579. The next prime is 1021475918609. The reversal of 1021475918604 is 4068195741201.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1021475918609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1372951132 + ... + 1372951875.

Almost surely, 2^{1021475918604} is an apocalyptic number.

It is an amenable number.

1021475918604 is an abundant number, since it is smaller than the sum of its proper divisors (1438853176564).

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

1021475918604 is a wasteful number, since it uses less digits than its factorization.

1021475918604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745903045 (or 2745903043 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 1021475918604 in words is "one trillion, twenty-one billion, four hundred seventy-five million, nine hundred eighteen thousand, six hundred four".