7639349699 has 4 divisors (see below), whose sum is σ = 7661365464. Its totient is φ = 7617333936.

The previous prime is 7639349671. The next prime is 7639349717. The reversal of 7639349699 is 9969439367.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7639349699 - 2³² = 3344382403 is a prime.

It is a super-2 number, since 2×7639349699² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7639349609) 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, 11007362 + ... + 11008055.

It is an arithmetic number, because the mean of its divisors is an integer number (1915341366).

Almost surely, 2^7639349699 is an apocalyptic number.

7639349699 is a deficient number, since it is larger than the sum of its proper divisors (22015765).

7639349699 is a wasteful number, since it uses less digits than its factorization.

7639349699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22015764.

The product of its digits is 59521392, while the sum is 65.

The square root of 7639349699 is about 87403.3734989674. The cubic root of 7639349699 is about 1969.4825183605.

The spelling of 7639349699 in words is "seven billion, six hundred thirty-nine million, three hundred forty-nine thousand, six hundred ninety-nine".