6261502381963 has 2 divisors, whose sum is σ = 6261502381964. Its totient is φ = 6261502381962.

The previous prime is 6261502381943. The next prime is 6261502381991. The reversal of 6261502381963 is 3691832051626.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6261502381963 - 2³⁷ = 6124063428491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6261502381963.

It is not a weakly prime, because it can be changed into another prime (6261502381943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3130751190981 + 3130751190982.

It is an arithmetic number, because the mean of its divisors is an integer number (3130751190982).

Almost surely, 2^{6261502381963} is an apocalyptic number.

6261502381963 is a deficient number, since it is larger than the sum of its proper divisors (1).

6261502381963 is an equidigital number, since it uses as much as digits as its factorization.

6261502381963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 6261502381963 in words is "six trillion, two hundred sixty-one billion, five hundred two million, three hundred eighty-one thousand, nine hundred sixty-three".