190458947841 has 16 divisors (see below), whose sum is σ = 255627290880. Its totient is φ = 126134149760.

The previous prime is 190458947681. The next prime is 190458947843. The reversal of 190458947841 is 148749854091.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190458947841 is a prime.

It is a super-2 number, since 2×190458947841² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190458947843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14826 + ... + 617363.

It is an arithmetic number, because the mean of its divisors is an integer number (15976705680).

Almost surely, 2^190458947841 is an apocalyptic number.

It is an amenable number.

190458947841 is a deficient number, since it is larger than the sum of its proper divisors (65168343039).

190458947841 is a wasteful number, since it uses less digits than its factorization.

190458947841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632856.

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 190458947841 in words is "one hundred ninety billion, four hundred fifty-eight million, nine hundred forty-seven thousand, eight hundred forty-one".