10418299981 has 2 divisors, whose sum is σ = 10418299982. Its totient is φ = 10418299980.

The previous prime is 10418299961. The next prime is 10418299993. The reversal of 10418299981 is 18999281401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6810375625 + 3607924356 = 82525^2 + 60066^2 .

It is a cyclic number.

It is not a de Polignac number, because 10418299981 - 2¹¹ = 10418297933 is a prime.

It is a super-2 number, since 2×10418299981² (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 (10418299961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5209149990 + 5209149991.

It is an arithmetic number, because the mean of its divisors is an integer number (5209149991).

Almost surely, 2^10418299981 is an apocalyptic number.

It is an amenable number.

10418299981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10418299981 is an equidigital number, since it uses as much as digits as its factorization.

10418299981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 52.

The spelling of 10418299981 in words is "ten billion, four hundred eighteen million, two hundred ninety-nine thousand, nine hundred eighty-one".