199477911074 has 16 divisors (see below), whose sum is σ = 322241789688. Its totient is φ = 92064373632.

The previous prime is 199477911043. The next prime is 199477911091. The reversal of 199477911074 is 470119774991.

It can be written as a sum of positive squares in 4 ways, for example, as 114734625625 + 84743285449 = 338725^2 + 291107^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330694 + ... + 1472990.

Almost surely, 2^199477911074 is an apocalyptic number.

199477911074 is a deficient number, since it is larger than the sum of its proper divisors (122763878614).

199477911074 is a wasteful number, since it uses less digits than its factorization.

199477911074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196229.

The product of its (nonzero) digits is 4000752, while the sum is 59.

The spelling of 199477911074 in words is "one hundred ninety-nine billion, four hundred seventy-seven million, nine hundred eleven thousand, seventy-four".