7912756693 has 16 divisors (see below), whose sum is σ = 8193718080. Its totient is φ = 7635603456.

The previous prime is 7912756639. The next prime is 7912756697. The reversal of 7912756693 is 3966572197.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7912756693 is a prime.

It is a super-2 number, since 2×7912756693² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7912756697) 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 15 ways as a sum of consecutive naturals, for example, 2375253 + ... + 2378581.

It is an arithmetic number, because the mean of its divisors is an integer number (512107380).

Almost surely, 2^7912756693 is an apocalyptic number.

It is an amenable number.

7912756693 is a deficient number, since it is larger than the sum of its proper divisors (280961387).

7912756693 is a wasteful number, since it uses less digits than its factorization.

7912756693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876.

The product of its digits is 4286520, while the sum is 55.

The square root of 7912756693 is about 88953.6772314669. The cubic root of 7912756693 is about 1992.7031346712.

The spelling of 7912756693 in words is "seven billion, nine hundred twelve million, seven hundred fifty-six thousand, six hundred ninety-three".