1021040654613 has 32 divisors (see below), whose sum is σ = 1582725273600. Its totient is φ = 573387667776.

The previous prime is 1021040654611. The next prime is 1021040654633. The reversal of 1021040654613 is 3164560401201.

It is not a de Polignac number, because 1021040654613 - 2¹ = 1021040654611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021040654611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3988095 + ... + 4236387.

It is an arithmetic number, because the mean of its divisors is an integer number (49460164800).

Almost surely, 2^{1021040654613} is an apocalyptic number.

It is an amenable number.

1021040654613 is a deficient number, since it is larger than the sum of its proper divisors (561684618987).

1021040654613 is a wasteful number, since it uses less digits than its factorization.

1021040654613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251681.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 1021040654613 in words is "one trillion, twenty-one billion, forty million, six hundred fifty-four thousand, six hundred thirteen".