27292438651 has 2 divisors, whose sum is σ = 27292438652. Its totient is φ = 27292438650.

The previous prime is 27292438633. The next prime is 27292438661. The reversal of 27292438651 is 15683429272.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27292438651 - 2⁵ = 27292438619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27292438595 and 27292438604.

It is not a weakly prime, because it can be changed into another prime (27292438661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13646219325 + 13646219326.

It is an arithmetic number, because the mean of its divisors is an integer number (13646219326).

Almost surely, 2^27292438651 is an apocalyptic number.

27292438651 is a deficient number, since it is larger than the sum of its proper divisors (1).

27292438651 is an equidigital number, since it uses as much as digits as its factorization.

27292438651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 49.

The spelling of 27292438651 in words is "twenty-seven billion, two hundred ninety-two million, four hundred thirty-eight thousand, six hundred fifty-one".