27411642997 has 4 divisors (see below), whose sum is σ = 27741903840. Its totient is φ = 27081382156.

The previous prime is 27411642991. The next prime is 27411643027. The reversal of 27411642997 is 79924611472.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27411642997 - 2³ = 27411642989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27411642991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165130297 + ... + 165130462.

It is an arithmetic number, because the mean of its divisors is an integer number (6935475960).

Almost surely, 2^27411642997 is an apocalyptic number.

It is an amenable number.

27411642997 is a deficient number, since it is larger than the sum of its proper divisors (330260843).

27411642997 is an equidigital number, since it uses as much as digits as its factorization.

27411642997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330260842.

The product of its digits is 1524096, while the sum is 52.

The spelling of 27411642997 in words is "twenty-seven billion, four hundred eleven million, six hundred forty-two thousand, nine hundred ninety-seven".