15245860670653 has 2 divisors, whose sum is σ = 15245860670654. Its totient is φ = 15245860670652.

The previous prime is 15245860670617. The next prime is 15245860670657. The reversal of 15245860670653 is 35607606854251.

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., 14808935704644 + 436924966009 = 3848238^2 + 661003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15245860670653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15245860670657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7622930335326 + 7622930335327.

It is an arithmetic number, because the mean of its divisors is an integer number (7622930335327).

Almost surely, 2^{15245860670653} is an apocalyptic number.

It is an amenable number.

15245860670653 is a deficient number, since it is larger than the sum of its proper divisors (1).

15245860670653 is an equidigital number, since it uses as much as digits as its factorization.

15245860670653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288000, while the sum is 58.

The spelling of 15245860670653 in words is "fifteen trillion, two hundred forty-five billion, eight hundred sixty million, six hundred seventy thousand, six hundred fifty-three".