7651860661427 has 2 divisors, whose sum is σ = 7651860661428. Its totient is φ = 7651860661426.

The previous prime is 7651860661391. The next prime is 7651860661439. The reversal of 7651860661427 is 7241660681567.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7651860661427 - 2¹⁴ = 7651860645043 is a prime.

It is not a weakly prime, because it can be changed into another prime (7651860661457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3825930330713 + 3825930330714.

It is an arithmetic number, because the mean of its divisors is an integer number (3825930330714).

Almost surely, 2^{7651860661427} is an apocalyptic number.

7651860661427 is a deficient number, since it is larger than the sum of its proper divisors (1).

7651860661427 is an equidigital number, since it uses as much as digits as its factorization.

7651860661427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 7651860661427 in words is "seven trillion, six hundred fifty-one billion, eight hundred sixty million, six hundred sixty-one thousand, four hundred twenty-seven".