10240013491 has 2 divisors, whose sum is σ = 10240013492. Its totient is φ = 10240013490.

The previous prime is 10240013479. The next prime is 10240013519. The reversal of 10240013491 is 19431004201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10240013491 - 2⁷ = 10240013363 is a prime.

It is not a weakly prime, because it can be changed into another prime (10240013191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5120006745 + 5120006746.

It is an arithmetic number, because the mean of its divisors is an integer number (5120006746).

Almost surely, 2^10240013491 is an apocalyptic number.

10240013491 is a deficient number, since it is larger than the sum of its proper divisors (1).

10240013491 is an equidigital number, since it uses as much as digits as its factorization.

10240013491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 10240013491 its reverse (19431004201), we get a palindrome (29671017692).

The spelling of 10240013491 in words is "ten billion, two hundred forty million, thirteen thousand, four hundred ninety-one".