10399493513 has 2 divisors, whose sum is σ = 10399493514. Its totient is φ = 10399493512.

The previous prime is 10399493477. The next prime is 10399493543. The reversal of 10399493513 is 31539499301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5887953289 + 4511540224 = 76733^2 + 67168^2 .

It is a cyclic number.

It is not a de Polignac number, because 10399493513 - 2¹² = 10399489417 is a prime.

It is not a weakly prime, because it can be changed into another prime (10399493543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5199746756 + 5199746757.

It is an arithmetic number, because the mean of its divisors is an integer number (5199746757).

Almost surely, 2^10399493513 is an apocalyptic number.

It is an amenable number.

10399493513 is a deficient number, since it is larger than the sum of its proper divisors (1).

10399493513 is an equidigital number, since it uses as much as digits as its factorization.

10399493513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 393660, while the sum is 47.

The spelling of 10399493513 in words is "ten billion, three hundred ninety-nine million, four hundred ninety-three thousand, five hundred thirteen".