6420315522522 has 32 divisors (see below), whose sum is σ = 14306002873344. Its totient is φ = 1904155473200.

The previous prime is 6420315522503. The next prime is 6420315522553. The reversal of 6420315522522 is 2252255130246.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1034864004 + ... + 1034870207.

It is an arithmetic number, because the mean of its divisors is an integer number (447062589792).

Almost surely, 2^{6420315522522} is an apocalyptic number.

6420315522522 is an abundant number, since it is smaller than the sum of its proper divisors (7885687350822).

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

6420315522522 is a wasteful number, since it uses less digits than its factorization.

6420315522522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069734274.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 6420315522522 in words is "six trillion, four hundred twenty billion, three hundred fifteen million, five hundred twenty-two thousand, five hundred twenty-two".