27401989373 has 16 divisors (see below), whose sum is σ = 31473038400. Its totient is φ = 23594820480.

The previous prime is 27401989367. The next prime is 27401989379. The reversal of 27401989373 is 37398910472.

It is an interprime number because it is at equal distance from previous prime (27401989367) and next prime (27401989379).

It is not a de Polignac number, because 27401989373 - 2²⁸ = 27133553917 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27401989379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1258463 + ... + 1280051.

It is an arithmetic number, because the mean of its divisors is an integer number (1967064900).

Almost surely, 2^27401989373 is an apocalyptic number.

It is an amenable number.

27401989373 is a deficient number, since it is larger than the sum of its proper divisors (4071049027).

27401989373 is a wasteful number, since it uses less digits than its factorization.

27401989373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27692.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 27401989373 in words is "twenty-seven billion, four hundred one million, nine hundred eighty-nine thousand, three hundred seventy-three".