619350400494138 has 32 divisors (see below), whose sum is σ = 1240653914634816. Its totient is φ = 206124643191168.

The previous prime is 619350400494113. The next prime is 619350400494149. The reversal of 619350400494138 is 831494004053916.

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, 83227581 + ... + 90363327.

It is an arithmetic number, because the mean of its divisors is an integer number (38770434832338).

Almost surely, 2^{619350400494138} is an apocalyptic number.

619350400494138 is an abundant number, since it is smaller than the sum of its proper divisors (621303514140678).

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

619350400494138 is a wasteful number, since it uses less digits than its factorization.

619350400494138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7158558.

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 619350400494138 in words is "six hundred nineteen trillion, three hundred fifty billion, four hundred million, four hundred ninety-four thousand, one hundred thirty-eight".