15703457213 has 2 divisors, whose sum is σ = 15703457214. Its totient is φ = 15703457212.

The previous prime is 15703457183. The next prime is 15703457219. The reversal of 15703457213 is 31275430751.

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., 9784770724 + 5918686489 = 98918^2 + 76933^2 .

It is a cyclic number.

It is not a de Polignac number, because 15703457213 - 2⁶ = 15703457149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15703457219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7851728606 + 7851728607.

It is an arithmetic number, because the mean of its divisors is an integer number (7851728607).

Almost surely, 2^15703457213 is an apocalyptic number.

It is an amenable number.

15703457213 is a deficient number, since it is larger than the sum of its proper divisors (1).

15703457213 is an equidigital number, since it uses as much as digits as its factorization.

15703457213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 38.

Adding to 15703457213 its reverse (31275430751), we get a palindrome (46978887964).

The spelling of 15703457213 in words is "fifteen billion, seven hundred three million, four hundred fifty-seven thousand, two hundred thirteen".