80436037963 has 2 divisors, whose sum is σ = 80436037964. Its totient is φ = 80436037962.

The previous prime is 80436037933. The next prime is 80436037991. The reversal of 80436037963 is 36973063408.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80436037963 is a prime.

It is not a weakly prime, because it can be changed into another prime (80436037933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40218018981 + 40218018982.

It is an arithmetic number, because the mean of its divisors is an integer number (40218018982).

Almost surely, 2^80436037963 is an apocalyptic number.

80436037963 is a deficient number, since it is larger than the sum of its proper divisors (1).

80436037963 is an equidigital number, since it uses as much as digits as its factorization.

80436037963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 49.

The spelling of 80436037963 in words is "eighty billion, four hundred thirty-six million, thirty-seven thousand, nine hundred sixty-three".