190920933026 has 4 divisors (see below), whose sum is σ = 286381399542. Its totient is φ = 95460466512.

The previous prime is 190920933011. The next prime is 190920933053. The reversal of 190920933026 is 620339029091.

It is a Cunningham number, because it is equal to 436945²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 620339029091 = 17 ⋅36490531123.

It can be written as a sum of positive squares in only one way, i.e., 190920933025 + 1 = 436945^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47730233255 + ... + 47730233258.

Almost surely, 2^190920933026 is an apocalyptic number.

190920933026 is a deficient number, since it is larger than the sum of its proper divisors (95460466516).

190920933026 is an equidigital number, since it uses as much as digits as its factorization.

190920933026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95460466515.

The product of its (nonzero) digits is 157464, while the sum is 44.

The spelling of 190920933026 in words is "one hundred ninety billion, nine hundred twenty million, nine hundred thirty-three thousand, twenty-six".