190404741391 has 8 divisors (see below), whose sum is σ = 201481565184. Its totient is φ = 179561114040.

The previous prime is 190404741379. The next prime is 190404741467. The reversal of 190404741391 is 193147404091.

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 190404741391 - 2¹³ = 190404733199 is a prime.

It is a super-2 number, since 2×190404741391² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190404741311) 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, 58297431 + ... + 58300696.

It is an arithmetic number, because the mean of its divisors is an integer number (25185195648).

Almost surely, 2^190404741391 is an apocalyptic number.

190404741391 is a deficient number, since it is larger than the sum of its proper divisors (11076823793).

190404741391 is a wasteful number, since it uses less digits than its factorization.

190404741391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116598221.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 190404741391 in words is "one hundred ninety billion, four hundred four million, seven hundred forty-one thousand, three hundred ninety-one".