7845213699 has 12 divisors (see below), whose sum is σ = 11333322000. Its totient is φ = 5229520944.

The previous prime is 7845213697. The next prime is 7845213707. The reversal of 7845213699 is 9963125487.

7845213699 is a `hidden beast` number, since 7 + 84 + 521 + 36 + 9 + 9 = 666.

It is not a de Polignac number, because 7845213699 - 2¹ = 7845213697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7845213697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35977 + ... + 130325.

It is an arithmetic number, because the mean of its divisors is an integer number (944443500).

Almost surely, 2^7845213699 is an apocalyptic number.

7845213699 is a deficient number, since it is larger than the sum of its proper divisors (3488108301).

7845213699 is a wasteful number, since it uses less digits than its factorization.

7845213699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103594 (or 103591 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 7845213699 is about 88573.2109556834. The cubic root of 7845213699 is about 1987.0170453923.

The spelling of 7845213699 in words is "seven billion, eight hundred forty-five million, two hundred thirteen thousand, six hundred ninety-nine".