2154289627472 has 40 divisors (see below), whose sum is σ = 4220361924192. Its totient is φ = 1065189776000.

The previous prime is 2154289627447. The next prime is 2154289627493. The reversal of 2154289627472 is 2747269824512.

It is a super-2 number, since 2×2154289627472² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530447 + ... + 2142417.

Almost surely, 2^{2154289627472} is an apocalyptic number.

It is an amenable number.

2154289627472 is a deficient number, since it is larger than the sum of its proper divisors (2066072296720).

2154289627472 is a wasteful number, since it uses less digits than its factorization.

2154289627472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612907 (or 1612901 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 59.

The spelling of 2154289627472 in words is "two trillion, one hundred fifty-four billion, two hundred eighty-nine million, six hundred twenty-seven thousand, four hundred seventy-two".