6913152340221 has 16 divisors (see below), whose sum is σ = 9759858943104. Its totient is φ = 4337613341184.

The previous prime is 6913152340201. The next prime is 6913152340229. The reversal of 6913152340221 is 1220432513196.

It is not a de Polignac number, because 6913152340221 - 2⁷ = 6913152340093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6913152340221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6913152340229) 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, 3861081 + ... + 5360433.

It is an arithmetic number, because the mean of its divisors is an integer number (609991183944).

Almost surely, 2^{6913152340221} is an apocalyptic number.

It is an amenable number.

6913152340221 is a deficient number, since it is larger than the sum of its proper divisors (2846706602883).

6913152340221 is a wasteful number, since it uses less digits than its factorization.

6913152340221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589780.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 6913152340221 in words is "six trillion, nine hundred thirteen billion, one hundred fifty-two million, three hundred forty thousand, two hundred twenty-one".