381438737862 has 48 divisors (see below), whose sum is σ = 955692671472. Its totient is φ = 100599226560.

The previous prime is 381438737831. The next prime is 381438737881. The reversal of 381438737862 is 268737834183.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 381438737796 and 381438737805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49896589 + ... + 49904232.

It is an arithmetic number, because the mean of its divisors is an integer number (19910263989).

Almost surely, 2^381438737862 is an apocalyptic number.

381438737862 is an abundant number, since it is smaller than the sum of its proper divisors (574253933610).

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

381438737862 is a wasteful number, since it uses less digits than its factorization.

381438737862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99800853 (or 99800846 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 60.

The spelling of 381438737862 in words is "three hundred eighty-one billion, four hundred thirty-eight million, seven hundred thirty-seven thousand, eight hundred sixty-two".