621350242053126 has 16 divisors (see below), whose sum is σ = 1242705483494400. Its totient is φ = 207115914119688.

The previous prime is 621350242053071. The next prime is 621350242053133.

621350242053126 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×621350242053126² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206691166 + ... + 209675793.

It is an arithmetic number, because the mean of its divisors is an integer number (77669092718400).

Almost surely, 2^{621350242053126} is an apocalyptic number.

621350242053126 is an abundant number, since it is smaller than the sum of its proper divisors (621355241441274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

621350242053126 is a wasteful number, since it uses less digits than its factorization.

621350242053126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416615683.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 621350242053126 in words is "six hundred twenty-one trillion, three hundred fifty billion, two hundred forty-two million, fifty-three thousand, one hundred twenty-six".