1954556484601 has 32 divisors (see below), whose sum is σ = 2408135040000. Its totient is φ = 1583147353536.

The previous prime is 1954556484599. The next prime is 1954556484607. The reversal of 1954556484601 is 1064846554591.

It is not a de Polignac number, because 1954556484601 - 2¹ = 1954556484599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1954556484607) 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, 1622886 + ... + 2557903.

It is an arithmetic number, because the mean of its divisors is an integer number (75254220000).

Almost surely, 2^{1954556484601} is an apocalyptic number.

It is an amenable number.

1954556484601 is a deficient number, since it is larger than the sum of its proper divisors (453578555399).

1954556484601 is an equidigital number, since it uses as much as digits as its factorization.

1954556484601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180886 (or 4180872 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 58.

The spelling of 1954556484601 in words is "one trillion, nine hundred fifty-four billion, five hundred fifty-six million, four hundred eighty-four thousand, six hundred one".