3420525212621 has 8 divisors (see below), whose sum is σ = 3737303402688. Its totient is φ = 3104717248000.

The previous prime is 3420525212603. The next prime is 3420525212623. The reversal of 3420525212621 is 1262125250243.

It is a happy number.

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 3420525212621 - 2¹⁸ = 3420524950477 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 (3420525212623) 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, 242548985 + ... + 242563086.

It is an arithmetic number, because the mean of its divisors is an integer number (467162925336).

Almost surely, 2^{3420525212621} is an apocalyptic number.

It is an amenable number.

3420525212621 is a deficient number, since it is larger than the sum of its proper divisors (316778190067).

3420525212621 is a wasteful number, since it uses less digits than its factorization.

3420525212621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485112723.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 3420525212621 in words is "three trillion, four hundred twenty billion, five hundred twenty-five million, two hundred twelve thousand, six hundred twenty-one".