190193252247 has 6 divisors (see below), whose sum is σ = 274723586592. Its totient is φ = 126795501492.

The previous prime is 190193252243. The next prime is 190193252329. The reversal of 190193252247 is 742252391091.

190193252247 is a `hidden beast` number, since 1 + 90 + 1 + 9 + 32 + 522 + 4 + 7 = 666.

It is not a de Polignac number, because 190193252247 - 2² = 190193252243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190193252243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10566291783 + ... + 10566291800.

It is an arithmetic number, because the mean of its divisors is an integer number (45787264432).

Almost surely, 2^190193252247 is an apocalyptic number.

190193252247 is a deficient number, since it is larger than the sum of its proper divisors (84530334345).

190193252247 is a wasteful number, since it uses less digits than its factorization.

190193252247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21132583589 (or 21132583586 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 190193252247 in words is "one hundred ninety billion, one hundred ninety-three million, two hundred fifty-two thousand, two hundred forty-seven".