27493421190 has 64 divisors (see below), whose sum is σ = 70908493824. Its totient is φ = 6797311488.

The previous prime is 27493421177. The next prime is 27493421201. The reversal of 27493421190 is 9112439472.

It is a happy number.

It is a super-2 number, since 2×27493421190² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368134 + ... + 436473.

It is an arithmetic number, because the mean of its divisors is an integer number (1107945216).

Almost surely, 2^27493421190 is an apocalyptic number.

27493421190 is an abundant number, since it is smaller than the sum of its proper divisors (43415072634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27493421190 is a wasteful number, since it uses less digits than its factorization.

27493421190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804701.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 27493421190 in words is "twenty-seven billion, four hundred ninety-three million, four hundred twenty-one thousand, one hundred ninety".