6900147709 has 24 divisors (see below), whose sum is σ = 8765947008. Its totient is φ = 5382528480.

The previous prime is 6900147707. The next prime is 6900147719. The reversal of 6900147709 is 9077410096.

It is a happy number.

It is not a de Polignac number, because 6900147709 - 2¹ = 6900147707 is a prime.

It is a super-2 number, since 2×6900147709² = 95224076812035897362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6900147707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31057 + ... + 121510.

It is an arithmetic number, because the mean of its divisors is an integer number (365247792).

Almost surely, 2^6900147709 is an apocalyptic number.

It is an amenable number.

6900147709 is a deficient number, since it is larger than the sum of its proper divisors (1865799299).

6900147709 is a wasteful number, since it uses less digits than its factorization.

6900147709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152665 (or 152658 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 6900147709 is about 83067.1277281212. The cubic root of 6900147709 is about 1903.7918466578.

The spelling of 6900147709 in words is "six billion, nine hundred million, one hundred forty-seven thousand, seven hundred nine".