190747647842 has 16 divisors (see below), whose sum is σ = 296035448760. Its totient is φ = 92070225408.

The previous prime is 190747647829. The next prime is 190747647863. The reversal of 190747647842 is 248746747091.

190747647842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 179921037241 + 10826610601 = 424171^2 + 104051^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 102098 + ... + 626034.

Almost surely, 2^190747647842 is an apocalyptic number.

190747647842 is a deficient number, since it is larger than the sum of its proper divisors (105287800918).

190747647842 is a wasteful number, since it uses less digits than its factorization.

190747647842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530245.

The product of its (nonzero) digits is 18966528, while the sum is 59.

The spelling of 190747647842 in words is "one hundred ninety billion, seven hundred forty-seven million, six hundred forty-seven thousand, eight hundred forty-two".