10479991381 has 2 divisors, whose sum is σ = 10479991382. Its totient is φ = 10479991380.

The previous prime is 10479991363. The next prime is 10479991387. The reversal of 10479991381 is 18319997401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10422368100 + 57623281 = 102090^2 + 7591^2 .

It is a cyclic number.

It is not a de Polignac number, because 10479991381 - 2⁵ = 10479991349 is a prime.

It is a super-2 number, since 2×10479991381² (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 (10479991387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5239995690 + 5239995691.

It is an arithmetic number, because the mean of its divisors is an integer number (5239995691).

Almost surely, 2^10479991381 is an apocalyptic number.

It is an amenable number.

10479991381 is a deficient number, since it is larger than the sum of its proper divisors (1).

10479991381 is an equidigital number, since it uses as much as digits as its factorization.

10479991381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 52.

The spelling of 10479991381 in words is "ten billion, four hundred seventy-nine million, nine hundred ninety-one thousand, three hundred eighty-one".