2503971205963 has 2 divisors, whose sum is σ = 2503971205964. Its totient is φ = 2503971205962.

The previous prime is 2503971205907. The next prime is 2503971206003. The reversal of 2503971205963 is 3695021793052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2503971205963 - 2⁹ = 2503971205451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2503971205963.

It is not a weakly prime, because it can be changed into another prime (2503971205903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251985602981 + 1251985602982.

It is an arithmetic number, because the mean of its divisors is an integer number (1251985602982).

Almost surely, 2^{2503971205963} is an apocalyptic number.

2503971205963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2503971205963 is an equidigital number, since it uses as much as digits as its factorization.

2503971205963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3061800, while the sum is 52.

The spelling of 2503971205963 in words is "two trillion, five hundred three billion, nine hundred seventy-one million, two hundred five thousand, nine hundred sixty-three".