1538743365676 has 48 divisors (see below), whose sum is σ = 3169087921440. Its totient is φ = 645865425920.

The previous prime is 1538743365637. The next prime is 1538743365683. The reversal of 1538743365676 is 6765633478351.

It is a super-2 number, since 2×1538743365676² (a number of 25 digits) contains 22 as substring.

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, 19367371 + ... + 19446658.

It is an arithmetic number, because the mean of its divisors is an integer number (66022665030).

Almost surely, 2^{1538743365676} is an apocalyptic number.

It is an amenable number.

1538743365676 is an abundant number, since it is smaller than the sum of its proper divisors (1630344555764).

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

1538743365676 is a wasteful number, since it uses less digits than its factorization.

1538743365676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38814114 (or 38814112 counting only the distinct ones).

The product of its digits is 228614400, while the sum is 64.

The spelling of 1538743365676 in words is "one trillion, five hundred thirty-eight billion, seven hundred forty-three million, three hundred sixty-five thousand, six hundred seventy-six".