70399198850 has 48 divisors (see below), whose sum is σ = 135225131496. Its totient is φ = 27247104000.

The previous prime is 70399198841. The next prime is 70399198897. The reversal of 70399198850 is 5889199307.

It can be written as a sum of positive squares in 12 ways, for example, as 4166573401 + 66232625449 = 64549^2 + 257357^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70399198850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229730 + ... + 439970.

Almost surely, 2^70399198850 is an apocalyptic number.

70399198850 is a deficient number, since it is larger than the sum of its proper divisors (64825932646).

70399198850 is a wasteful number, since it uses less digits than its factorization.

70399198850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210471 (or 210466 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 59.

The spelling of 70399198850 in words is "seventy billion, three hundred ninety-nine million, one hundred ninety-eight thousand, eight hundred fifty".