13745471954 has 32 divisors (see below), whose sum is σ = 21338986032. Its totient is φ = 6635520000.

The previous prime is 13745471947. The next prime is 13745471969. The reversal of 13745471954 is 45917454731.

It can be written as a sum of positive squares in 8 ways, for example, as 12574258225 + 1171213729 = 112135^2 + 34223^2 .

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, 8584754 + ... + 8586354.

Almost surely, 2^13745471954 is an apocalyptic number.

13745471954 is a deficient number, since it is larger than the sum of its proper divisors (7593514078).

13745471954 is a wasteful number, since it uses less digits than its factorization.

13745471954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462.

The product of its digits is 2116800, while the sum is 50.

The spelling of 13745471954 in words is "thirteen billion, seven hundred forty-five million, four hundred seventy-one thousand, nine hundred fifty-four".