699999950 has 48 divisors (see below), whose sum is σ = 1405597536. Its totient is φ = 257827200.

The previous prime is 699999913. The next prime is 699999953. The reversal of 699999950 is 59999996.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699999953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 325880 + ... + 328020.

It is an arithmetic number, because the mean of its divisors is an integer number (29283282).

Almost surely, 2^699999950 is an apocalyptic number.

699999950 is an abundant number, since it is smaller than the sum of its proper divisors (705597586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

699999950 is a wasteful number, since it uses less digits than its factorization.

699999950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 15943230, while the sum is 65.

The square root of 699999950 is about 26457.5121657347. The cubic root of 699999950 is about 887.9039806020.

The spelling of 699999950 in words is "six hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred fifty".