221534462021413 has 8 divisors (see below), whose sum is σ = 221782911909120. Its totient is φ = 221286039790320.

The previous prime is 221534462021399. The next prime is 221534462021449. The reversal of 221534462021413 is 314120264435122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221534462021413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221534462021473) 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, 9136068 + ... + 22946386.

It is an arithmetic number, because the mean of its divisors is an integer number (27722863988640).

Almost surely, 2^{221534462021413} is an apocalyptic number.

It is an amenable number.

221534462021413 is a deficient number, since it is larger than the sum of its proper divisors (248449887707).

221534462021413 is a wasteful number, since it uses less digits than its factorization.

221534462021413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13828307.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 221534462021413 in words is "two hundred twenty-one trillion, five hundred thirty-four billion, four hundred sixty-two million, twenty-one thousand, four hundred thirteen".