7681349107 has 2 divisors, whose sum is σ = 7681349108. Its totient is φ = 7681349106.

The previous prime is 7681349101. The next prime is 7681349111. The reversal of 7681349107 is 7019431867.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7681349107 - 2²³ = 7672960499 is a prime.

It is not a weakly prime, because it can be changed into another prime (7681349101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3840674553 + 3840674554.

It is an arithmetic number, because the mean of its divisors is an integer number (3840674554).

Almost surely, 2^7681349107 is an apocalyptic number.

7681349107 is a deficient number, since it is larger than the sum of its proper divisors (1).

7681349107 is an equidigital number, since it uses as much as digits as its factorization.

7681349107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 7681349107 is about 87643.3061163258. The cubic root of 7681349107 is about 1973.0851799216.

The spelling of 7681349107 in words is "seven billion, six hundred eighty-one million, three hundred forty-nine thousand, one hundred seven".