14561309854 has 32 divisors (see below), whose sum is σ = 27250695360. Its totient is φ = 5681601792.

The previous prime is 14561309839. The next prime is 14561309911. The reversal of 14561309854 is 45890316541.

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, 534709 + ... + 561280.

It is an arithmetic number, because the mean of its divisors is an integer number (851584230).

Almost surely, 2^14561309854 is an apocalyptic number.

14561309854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

14561309854 is a deficient number, since it is larger than the sum of its proper divisors (12689385506).

14561309854 is a wasteful number, since it uses less digits than its factorization.

14561309854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096084.

The product of its (nonzero) digits is 518400, while the sum is 46.

It can be divided in two parts, 14561 and 309854, that added together give a triangular number (324415 = T₈₀₅).

The spelling of 14561309854 in words is "fourteen billion, five hundred sixty-one million, three hundred nine thousand, eight hundred fifty-four".