190432721613829 has 2 divisors, whose sum is σ = 190432721613830. Its totient is φ = 190432721613828.

The previous prime is 190432721613817. The next prime is 190432721613833. The reversal of 190432721613829 is 928316127234091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162015399589729 + 28417322024100 = 12728527^2 + 5330790^2 .

It is an emirp because it is prime and its reverse (928316127234091) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190432721613829 is a prime.

It is a super-2 number, since 2×190432721613829² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190432721616829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95216360806914 + 95216360806915.

It is an arithmetic number, because the mean of its divisors is an integer number (95216360806915).

Almost surely, 2^{190432721613829} is an apocalyptic number.

It is an amenable number.

190432721613829 is a deficient number, since it is larger than the sum of its proper divisors (1).

190432721613829 is an equidigital number, since it uses as much as digits as its factorization.

190432721613829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 190432721613829 in words is "one hundred ninety trillion, four hundred thirty-two billion, seven hundred twenty-one million, six hundred thirteen thousand, eight hundred twenty-nine".