1948991294698 has 16 divisors (see below), whose sum is σ = 3341147131584. Its totient is φ = 835277184000.

The previous prime is 1948991294683. The next prime is 1948991294711. The reversal of 1948991294698 is 8964921998491.

It is a super-2 number, since 2×1948991294698² (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 7 ways as a sum of consecutive naturals, for example, 3310698 + ... + 3854698.

It is an arithmetic number, because the mean of its divisors is an integer number (208821695724).

Almost surely, 2^{1948991294698} is an apocalyptic number.

1948991294698 is a deficient number, since it is larger than the sum of its proper divisors (1392155836886).

1948991294698 is a wasteful number, since it uses less digits than its factorization.

1948991294698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799917.

The product of its digits is 725594112, while the sum is 79.

The spelling of 1948991294698 in words is "one trillion, nine hundred forty-eight billion, nine hundred ninety-one million, two hundred ninety-four thousand, six hundred ninety-eight".