12540834763 has 2 divisors, whose sum is σ = 12540834764. Its totient is φ = 12540834762.

The previous prime is 12540834701. The next prime is 12540834809. The reversal of 12540834763 is 36743804521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12540834763 - 2¹⁷ = 12540703691 is a prime.

It is not a weakly prime, because it can be changed into another prime (12540834463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6270417381 + 6270417382.

It is an arithmetic number, because the mean of its divisors is an integer number (6270417382).

Almost surely, 2^12540834763 is an apocalyptic number.

12540834763 is a deficient number, since it is larger than the sum of its proper divisors (1).

12540834763 is an equidigital number, since it uses as much as digits as its factorization.

12540834763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 12540834763 in words is "twelve billion, five hundred forty million, eight hundred thirty-four thousand, seven hundred sixty-three".