27390929103 has 24 divisors (see below), whose sum is σ = 41294123520. Its totient is φ = 17462768400.

The previous prime is 27390929087. The next prime is 27390929107. The reversal of 27390929103 is 30192909372.

It is a happy number.

27390929103 is a `hidden beast` number, since 273 + 90 + 9 + 291 + 0 + 3 = 666.

It is not a de Polignac number, because 27390929103 - 2⁴ = 27390929087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27390929107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1122078 + ... + 1146228.

It is an arithmetic number, because the mean of its divisors is an integer number (1720588480).

Almost surely, 2^27390929103 is an apocalyptic number.

27390929103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

27390929103 is a deficient number, since it is larger than the sum of its proper divisors (13903194417).

27390929103 is a wasteful number, since it uses less digits than its factorization.

27390929103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29659 (or 29656 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The spelling of 27390929103 in words is "twenty-seven billion, three hundred ninety million, nine hundred twenty-nine thousand, one hundred three".