190001761513 has 2 divisors, whose sum is σ = 190001761514. Its totient is φ = 190001761512.

The previous prime is 190001761507. The next prime is 190001761583. The reversal of 190001761513 is 315167100091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133435322944 + 56566438569 = 365288^2 + 237837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190001761513 is a prime.

It is a super-4 number, since 4×190001761513⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (190001761583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95000880756 + 95000880757.

It is an arithmetic number, because the mean of its divisors is an integer number (95000880757).

Almost surely, 2^190001761513 is an apocalyptic number.

It is an amenable number.

190001761513 is a deficient number, since it is larger than the sum of its proper divisors (1).

190001761513 is an equidigital number, since it uses as much as digits as its factorization.

190001761513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 34.

The spelling of 190001761513 in words is "one hundred ninety billion, one million, seven hundred sixty-one thousand, five hundred thirteen".