699142147 has 8 divisors (see below), whose sum is σ = 770564592. Its totient is φ = 629030400.

The previous prime is 699142139. The next prime is 699142207. The reversal of 699142147 is 741241996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 699142147 - 2³ = 699142139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (699122147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326554 + ... + 328687.

It is an arithmetic number, because the mean of its divisors is an integer number (96320574).

Almost surely, 2^699142147 is an apocalyptic number.

699142147 is a deficient number, since it is larger than the sum of its proper divisors (71422445).

699142147 is a wasteful number, since it uses less digits than its factorization.

699142147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655349.

The product of its digits is 108864, while the sum is 43.

The square root of 699142147 is about 26441.2962428093. The cubic root of 699142147 is about 887.5411434209.

The spelling of 699142147 in words is "six hundred ninety-nine million, one hundred forty-two thousand, one hundred forty-seven".