1493181881942 has 8 divisors (see below), whose sum is σ = 2312023559232. Its totient is φ = 722507362200.

The previous prime is 1493181881909. The next prime is 1493181881951. The reversal of 1493181881942 is 2491881813941.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 12041789309 + ... + 12041789432.

It is an arithmetic number, because the mean of its divisors is an integer number (289002944904).

Almost surely, 2^{1493181881942} is an apocalyptic number.

1493181881942 is a deficient number, since it is larger than the sum of its proper divisors (818841677290).

1493181881942 is a wasteful number, since it uses less digits than its factorization.

1493181881942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24083578774.

The product of its digits is 3981312, while the sum is 59.

The spelling of 1493181881942 in words is "one trillion, four hundred ninety-three billion, one hundred eighty-one million, eight hundred eighty-one thousand, nine hundred forty-two".