2154460553457 has 32 divisors (see below), whose sum is σ = 2963197109376. Its totient is φ = 1391529984000.

The previous prime is 2154460553447. The next prime is 2154460553473. The reversal of 2154460553457 is 7543550644512.

It is not a de Polignac number, because 2154460553457 - 2²³ = 2154452164849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2154460553447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13284457 + ... + 13445657.

It is an arithmetic number, because the mean of its divisors is an integer number (92599909668).

Almost surely, 2^{2154460553457} is an apocalyptic number.

It is an amenable number.

2154460553457 is a deficient number, since it is larger than the sum of its proper divisors (808736555919).

2154460553457 is a wasteful number, since it uses less digits than its factorization.

2154460553457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162001.

The product of its (nonzero) digits is 10080000, while the sum is 51.

The spelling of 2154460553457 in words is "two trillion, one hundred fifty-four billion, four hundred sixty million, five hundred fifty-three thousand, four hundred fifty-seven".