699847641 has 16 divisors (see below), whose sum is σ = 1040512320. Its totient is φ = 464899680.

The previous prime is 699847627. The next prime is 699847651. The reversal of 699847641 is 146748996.

It is not a de Polignac number, because 699847641 - 2¹¹ = 699845593 is a prime.

It is a super-2 number, since 2×699847641² = 979573441226529762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (699847651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38535 + ... + 53708.

It is an arithmetic number, because the mean of its divisors is an integer number (65032020).

Almost surely, 2^699847641 is an apocalyptic number.

It is an amenable number.

699847641 is a deficient number, since it is larger than the sum of its proper divisors (340664679).

699847641 is a wasteful number, since it uses less digits than its factorization.

699847641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92533 (or 92527 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 699847641 is about 26454.6336394969. The cubic root of 699847641 is about 887.8395779417.

The spelling of 699847641 in words is "six hundred ninety-nine million, eight hundred forty-seven thousand, six hundred forty-one".