2198972364854 has 16 divisors (see below), whose sum is σ = 3340467648000. Its totient is φ = 1085485286184.

The previous prime is 2198972364847. The next prime is 2198972364881. The reversal of 2198972364854 is 4584632798912.

It is a super-2 number, since 2×2198972364854² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 1555847 + ... + 2611245.

It is an arithmetic number, because the mean of its divisors is an integer number (208779228000).

Almost surely, 2^{2198972364854} is an apocalyptic number.

2198972364854 is a deficient number, since it is larger than the sum of its proper divisors (1141495283146).

2198972364854 is a wasteful number, since it uses less digits than its factorization.

2198972364854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068667.

The product of its digits is 209018880, while the sum is 68.

The spelling of 2198972364854 in words is "two trillion, one hundred ninety-eight billion, nine hundred seventy-two million, three hundred sixty-four thousand, eight hundred fifty-four".