6938972735 has 4 divisors (see below), whose sum is σ = 8326767288. Its totient is φ = 5551178184.

The previous prime is 6938972687. The next prime is 6938972749. The reversal of 6938972735 is 5372798396.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6938972735 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693897269 + ... + 693897278.

It is an arithmetic number, because the mean of its divisors is an integer number (2081691822).

Almost surely, 2^6938972735 is an apocalyptic number.

6938972735 is a deficient number, since it is larger than the sum of its proper divisors (1387794553).

6938972735 is a wasteful number, since it uses less digits than its factorization.

6938972735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387794552.

The product of its digits is 17146080, while the sum is 59.

The square root of 6938972735 is about 83300.4966071632. The cubic root of 6938972735 is about 1907.3558557604.

The spelling of 6938972735 in words is "six billion, nine hundred thirty-eight million, nine hundred seventy-two thousand, seven hundred thirty-five".