190745961729 has 8 divisors (see below), whose sum is σ = 254341550112. Its totient is φ = 127157173920.

The previous prime is 190745961691. The next prime is 190745961733. The reversal of 190745961729 is 927169547091.

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

It is not a de Polignac number, because 190745961729 - 2¹⁶ = 190745896193 is a prime.

It is a super-2 number, since 2×190745961729² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (190745968729) 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, 1634332 + ... + 1747149.

It is an arithmetic number, because the mean of its divisors is an integer number (31792693764).

Almost surely, 2^190745961729 is an apocalyptic number.

It is an amenable number.

190745961729 is a deficient number, since it is larger than the sum of its proper divisors (63595588383).

190745961729 is a wasteful number, since it uses less digits than its factorization.

190745961729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400287.

The product of its (nonzero) digits is 8573040, while the sum is 60.

The spelling of 190745961729 in words is "one hundred ninety billion, seven hundred forty-five million, nine hundred sixty-one thousand, seven hundred twenty-nine".