6929875745 has 8 divisors (see below), whose sum is σ = 8955531816. Its totient is φ = 5117446656.

The previous prime is 6929875723. The next prime is 6929875789. The reversal of 6929875745 is 5475789296.

It can be written as a sum of positive squares in 4 ways, for example, as 179774464 + 6750101281 = 13408^2 + 82159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6929875745 - 2⁸ = 6929875489 is a prime.

It is a super-2 number, since 2×6929875745² = 96046355682278610050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53306672 + ... + 53306801.

It is an arithmetic number, because the mean of its divisors is an integer number (1119441477).

Almost surely, 2^6929875745 is an apocalyptic number.

6929875745 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6929875745 is a deficient number, since it is larger than the sum of its proper divisors (2025656071).

6929875745 is a wasteful number, since it uses less digits than its factorization.

6929875745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106613491.

The product of its digits is 38102400, while the sum is 62.

The square root of 6929875745 is about 83245.8752431614. The cubic root of 6929875745 is about 1906.5219770386.

The spelling of 6929875745 in words is "six billion, nine hundred twenty-nine million, eight hundred seventy-five thousand, seven hundred forty-five".