1313402603651 has 2 divisors, whose sum is σ = 1313402603652. Its totient is φ = 1313402603650.

The previous prime is 1313402603641. The next prime is 1313402603657. The reversal of 1313402603651 is 1563062043131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1313402603651 - 2¹⁴ = 1313402587267 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313402603657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656701301825 + 656701301826.

It is an arithmetic number, because the mean of its divisors is an integer number (656701301826).

Almost surely, 2^{1313402603651} is an apocalyptic number.

1313402603651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313402603651 is an equidigital number, since it uses as much as digits as its factorization.

1313402603651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 1313402603651 its reverse (1563062043131), we get a palindrome (2876464646782).

The spelling of 1313402603651 in words is "one trillion, three hundred thirteen billion, four hundred two million, six hundred three thousand, six hundred fifty-one".