6415734647238 has 16 divisors (see below), whose sum is σ = 14664536336640. Its totient is φ = 1833067042056.

The previous prime is 6415734647227. The next prime is 6415734647263. The reversal of 6415734647238 is 8327464375146.

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, 76377793378 + ... + 76377793461.

It is an arithmetic number, because the mean of its divisors is an integer number (916533521040).

Almost surely, 2^{6415734647238} is an apocalyptic number.

6415734647238 is an abundant number, since it is smaller than the sum of its proper divisors (8248801689402).

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

6415734647238 is a wasteful number, since it uses less digits than its factorization.

6415734647238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152755586851.

The product of its digits is 81285120, while the sum is 60.

The spelling of 6415734647238 in words is "six trillion, four hundred fifteen billion, seven hundred thirty-four million, six hundred forty-seven thousand, two hundred thirty-eight".