2621246150021 has 8 divisors (see below), whose sum is σ = 2673631611744. Its totient is φ = 2569164372720.

The previous prime is 2621246149981. The next prime is 2621246150069. The reversal of 2621246150021 is 1200516421262.

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

It is a cyclic number.

It is not a de Polignac number, because 2621246150021 - 2⁶ = 2621246149957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2621246150021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621246156021) 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, 75903671 + ... + 75938196.

It is an arithmetic number, because the mean of its divisors is an integer number (334203951468).

Almost surely, 2^{2621246150021} is an apocalyptic number.

It is an amenable number.

2621246150021 is a deficient number, since it is larger than the sum of its proper divisors (52385461723).

2621246150021 is a wasteful number, since it uses less digits than its factorization.

2621246150021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151842211.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 2621246150021 in words is "two trillion, six hundred twenty-one billion, two hundred forty-six million, one hundred fifty thousand, twenty-one".