190908390073 has 8 divisors (see below), whose sum is σ = 191549889792. Its totient is φ = 190267137936.

The previous prime is 190908390061. The next prime is 190908390089. The reversal of 190908390073 is 370093809091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190908390073 - 2⁹ = 190908389561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190908389999 and 190908390026.

It is not an unprimeable number, because it can be changed into a prime (190908390373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1553386 + ... + 1671772.

It is an arithmetic number, because the mean of its divisors is an integer number (23943736224).

Almost surely, 2^190908390073 is an apocalyptic number.

It is an amenable number.

190908390073 is a deficient number, since it is larger than the sum of its proper divisors (641499719).

190908390073 is a wasteful number, since it uses less digits than its factorization.

190908390073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123791.

The product of its (nonzero) digits is 367416, while the sum is 49.

The spelling of 190908390073 in words is "one hundred ninety billion, nine hundred eight million, three hundred ninety thousand, seventy-three".