190957333394 has 4 divisors (see below), whose sum is σ = 286436000094. Its totient is φ = 95478666696.

The previous prime is 190957333387. The next prime is 190957333403. The reversal of 190957333394 is 493333759091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 164663089369 + 26294244025 = 405787^2 + 162155^2 .

It is a super-5 number, since 5×190957333394⁵ (a number of 58 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47739333347 + ... + 47739333350.

Almost surely, 2^190957333394 is an apocalyptic number.

190957333394 is a deficient number, since it is larger than the sum of its proper divisors (95478666700).

190957333394 is an equidigital number, since it uses as much as digits as its factorization.

190957333394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95478666699.

The product of its (nonzero) digits is 8266860, while the sum is 56.

The spelling of 190957333394 in words is "one hundred ninety billion, nine hundred fifty-seven million, three hundred thirty-three thousand, three hundred ninety-four".