13319751503 has 2 divisors, whose sum is σ = 13319751504. Its totient is φ = 13319751502.

The previous prime is 13319751433. The next prime is 13319751517. The reversal of 13319751503 is 30515791331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13319751503 - 2²⁰ = 13318702927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13319751593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6659875751 + 6659875752.

It is an arithmetic number, because the mean of its divisors is an integer number (6659875752).

Almost surely, 2^13319751503 is an apocalyptic number.

13319751503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13319751503 is an equidigital number, since it uses as much as digits as its factorization.

13319751503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42525, while the sum is 38.

The spelling of 13319751503 in words is "thirteen billion, three hundred nineteen million, seven hundred fifty-one thousand, five hundred three".