699913142 has 4 divisors (see below), whose sum is σ = 1049869716. Its totient is φ = 349956570.

The previous prime is 699913141. The next prime is 699913153. The reversal of 699913142 is 241319996.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 699913093 and 699913102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699913141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174978284 + ... + 174978287.

It is an arithmetic number, because the mean of its divisors is an integer number (262467429).

Almost surely, 2^699913142 is an apocalyptic number.

699913142 is a deficient number, since it is larger than the sum of its proper divisors (349956574).

699913142 is a wasteful number, since it uses less digits than its factorization.

699913142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349956573.

The product of its digits is 104976, while the sum is 44.

The square root of 699913142 is about 26455.8715978136. The cubic root of 699913142 is about 887.8672756684.

The spelling of 699913142 in words is "six hundred ninety-nine million, nine hundred thirteen thousand, one hundred forty-two".