7690446139 has 2 divisors, whose sum is σ = 7690446140. Its totient is φ = 7690446138.

The previous prime is 7690446133. The next prime is 7690446149. The reversal of 7690446139 is 9316440967.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7690446139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7690446092 and 7690446101.

It is not a weakly prime, because it can be changed into another prime (7690446133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3845223069 + 3845223070.

It is an arithmetic number, because the mean of its divisors is an integer number (3845223070).

Almost surely, 2^7690446139 is an apocalyptic number.

7690446139 is a deficient number, since it is larger than the sum of its proper divisors (1).

7690446139 is an equidigital number, since it uses as much as digits as its factorization.

7690446139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 7690446139 is about 87695.1888018949. The cubic root of 7690446139 is about 1973.8637817734.

The spelling of 7690446139 in words is "seven billion, six hundred ninety million, four hundred forty-six thousand, one hundred thirty-nine".