7690766249 has 4 divisors (see below), whose sum is σ = 8095543440. Its totient is φ = 7285989060.

The previous prime is 7690766233. The next prime is 7690766261. The reversal of 7690766249 is 9426670967.

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 7690766249 - 2⁴ = 7690766233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7690766194 and 7690766203.

It is not an unprimeable number, because it can be changed into a prime (7690766449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202388567 + ... + 202388604.

It is an arithmetic number, because the mean of its divisors is an integer number (2023885860).

Almost surely, 2^7690766249 is an apocalyptic number.

It is an amenable number.

7690766249 is a deficient number, since it is larger than the sum of its proper divisors (404777191).

7690766249 is a wasteful number, since it uses less digits than its factorization.

7690766249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404777190.

The product of its (nonzero) digits is 6858432, while the sum is 56.

The square root of 7690766249 is about 87697.0139115352. The cubic root of 7690766249 is about 1973.8911683410.

The spelling of 7690766249 in words is "seven billion, six hundred ninety million, seven hundred sixty-six thousand, two hundred forty-nine".