3069531697 has 4 divisors (see below), whose sum is σ = 3069683956. Its totient is φ = 3069379440.

The previous prime is 3069531613. The next prime is 3069531727. The reversal of 3069531697 is 7961359603.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2389156641 + 680375056 = 48879^2 + 26084^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3069531697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3069531697.

It is not an unprimeable number, because it can be changed into a prime (3069531607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40254 + ... + 88087.

It is an arithmetic number, because the mean of its divisors is an integer number (767420989).

Almost surely, 2^3069531697 is an apocalyptic number.

It is an amenable number.

3069531697 is a deficient number, since it is larger than the sum of its proper divisors (152259).

3069531697 is a wasteful number, since it uses less digits than its factorization.

3069531697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152258.

The product of its (nonzero) digits is 918540, while the sum is 49.

The square root of 3069531697 is about 55403.3545645027. The cubic root of 3069531697 is about 1453.3070292995.

The spelling of 3069531697 in words is "three billion, sixty-nine million, five hundred thirty-one thousand, six hundred ninety-seven".