2154555453734 has 32 divisors (see below), whose sum is σ = 3561656663520. Its totient is φ = 972940211712.

The previous prime is 2154555453719. The next prime is 2154555453793. The reversal of 2154555453734 is 4373545554512.

It is a super-2 number, since 2×2154555453734² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 6542189 + ... + 6863624.

It is an arithmetic number, because the mean of its divisors is an integer number (111301770735).

Almost surely, 2^{2154555453734} is an apocalyptic number.

2154555453734 is a deficient number, since it is larger than the sum of its proper divisors (1407101209786).

2154555453734 is a wasteful number, since it uses less digits than its factorization.

2154555453734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13406024.

The product of its digits is 25200000, while the sum is 53.

The spelling of 2154555453734 in words is "two trillion, one hundred fifty-four billion, five hundred fifty-five million, four hundred fifty-three thousand, seven hundred thirty-four".