538721623002 has 16 divisors (see below), whose sum is σ = 1078752421440. Its totient is φ = 179355678432.

The previous prime is 538721622997. The next prime is 538721623007. The reversal of 538721623002 is 200326127835.

It is an interprime number because it is at equal distance from previous prime (538721622997) and next prime (538721623007).

It is not an unprimeable number, because it can be changed into a prime (538721623007) 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, 54543627 + ... + 54553502.

It is an arithmetic number, because the mean of its divisors is an integer number (67422026340).

Almost surely, 2^538721623002 is an apocalyptic number.

538721623002 is an abundant number, since it is smaller than the sum of its proper divisors (540030798438).

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

538721623002 is a wasteful number, since it uses less digits than its factorization.

538721623002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109097957.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 538721623002 in words is "five hundred thirty-eight billion, seven hundred twenty-one million, six hundred twenty-three thousand, two".