3425531001621 has 8 divisors (see below), whose sum is σ = 4585571381664. Its totient is φ = 2274588978000.

The previous prime is 3425531001611. The next prime is 3425531001623. The reversal of 3425531001621 is 1261001355243.

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

It is not a de Polignac number, because 3425531001621 - 2⁷ = 3425531001493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3425531001623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2274588226 + ... + 2274589731.

It is an arithmetic number, because the mean of its divisors is an integer number (573196422708).

Almost surely, 2^{3425531001621} is an apocalyptic number.

It is an amenable number.

3425531001621 is a deficient number, since it is larger than the sum of its proper divisors (1160040380043).

3425531001621 is a wasteful number, since it uses less digits than its factorization.

3425531001621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549178211.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 3425531001621 its reverse (1261001355243), we get a palindrome (4686532356864).

The spelling of 3425531001621 in words is "three trillion, four hundred twenty-five billion, five hundred thirty-one million, one thousand, six hundred twenty-one".