1564331566413 has 96 divisors (see below), whose sum is σ = 2735170357248. Its totient is φ = 776994007680.

The previous prime is 1564331566387. The next prime is 1564331566439. The reversal of 1564331566413 is 3146651334651.

It is an interprime number because it is at equal distance from previous prime (1564331566387) and next prime (1564331566439).

It is not a de Polignac number, because 1564331566413 - 2⁶ = 1564331566349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1564331566313) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 225177406 + ... + 225184352.

It is an arithmetic number, because the mean of its divisors is an integer number (28491357888).

Almost surely, 2^{1564331566413} is an apocalyptic number.

It is an amenable number.

1564331566413 is a deficient number, since it is larger than the sum of its proper divisors (1170838790835).

1564331566413 is a wasteful number, since it uses less digits than its factorization.

1564331566413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10855 (or 10844 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 48.

The spelling of 1564331566413 in words is "one trillion, five hundred sixty-four billion, three hundred thirty-one million, five hundred sixty-six thousand, four hundred thirteen".