1238898830492 has 12 divisors (see below), whose sum is σ = 2168080947480. Its totient is φ = 619447131216.

The previous prime is 1238898830467. The next prime is 1238898830537. The reversal of 1238898830492 is 2940388988321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1423559 + ... + 2122337.

It is an arithmetic number, because the mean of its divisors is an integer number (180673412290).

Almost surely, 2^{1238898830492} is an apocalyptic number.

It is an amenable number.

1238898830492 is a deficient number, since it is larger than the sum of its proper divisors (929182116988).

1238898830492 is a wasteful number, since it uses less digits than its factorization.

1238898830492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142020 (or 1142018 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 65.

The spelling of 1238898830492 in words is "one trillion, two hundred thirty-eight billion, eight hundred ninety-eight million, eight hundred thirty thousand, four hundred ninety-two".