190831494628 has 6 divisors (see below), whose sum is σ = 333955115606. Its totient is φ = 95415747312.

The previous prime is 190831494611. The next prime is 190831494703. The reversal of 190831494628 is 826494138091.

190831494628 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 only one way, i.e., 132920034724 + 57911459904 = 364582^2 + 240648^2 .

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 as a sum of consecutive naturals, namely, 23853936825 + ... + 23853936832.

Almost surely, 2^190831494628 is an apocalyptic number.

It is an amenable number.

190831494628 is a deficient number, since it is larger than the sum of its proper divisors (143123620978).

190831494628 is a wasteful number, since it uses less digits than its factorization.

190831494628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47707873661 (or 47707873659 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 190831494628 in words is "one hundred ninety billion, eight hundred thirty-one million, four hundred ninety-four thousand, six hundred twenty-eight".