10299539381 has 2 divisors, whose sum is σ = 10299539382. Its totient is φ = 10299539380.

The previous prime is 10299539359. The next prime is 10299539429. The reversal of 10299539381 is 18393599201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8977562500 + 1321976881 = 94750^2 + 36359^2 .

It is an emirp because it is prime and its reverse (18393599201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10299539381 - 2¹⁴ = 10299522997 is a prime.

It is a super-2 number, since 2×10299539381² (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 (10299535381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5149769690 + 5149769691.

It is an arithmetic number, because the mean of its divisors is an integer number (5149769691).

Almost surely, 2^10299539381 is an apocalyptic number.

It is an amenable number.

10299539381 is a deficient number, since it is larger than the sum of its proper divisors (1).

10299539381 is an equidigital number, since it uses as much as digits as its factorization.

10299539381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 50.

The spelling of 10299539381 in words is "ten billion, two hundred ninety-nine million, five hundred thirty-nine thousand, three hundred eighty-one".