10190980981 has 2 divisors, whose sum is σ = 10190980982. Its totient is φ = 10190980980.

The previous prime is 10190980963. The next prime is 10190981011. The reversal of 10190980981 is 18908909101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10053270756 + 137710225 = 100266^2 + 11735^2 .

It is an emirp because it is prime and its reverse (18908909101) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 18608606101 and 10160680681.

It is a cyclic number.

It is not a de Polignac number, because 10190980981 - 2²¹ = 10188883829 is a prime.

It is a super-2 number, since 2×10190980981² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10190980081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5095490490 + 5095490491.

It is an arithmetic number, because the mean of its divisors is an integer number (5095490491).

Almost surely, 2^10190980981 is an apocalyptic number.

It is an amenable number.

10190980981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10190980981 is an equidigital number, since it uses as much as digits as its factorization.

10190980981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 46.

The spelling of 10190980981 in words is "ten billion, one hundred ninety million, nine hundred eighty thousand, nine hundred eighty-one".