73649090863 has 2 divisors, whose sum is σ = 73649090864. Its totient is φ = 73649090862.

The previous prime is 73649090839. The next prime is 73649090941. The reversal of 73649090863 is 36809094637.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73649090863 - 2⁵ = 73649090831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73649090833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36824545431 + 36824545432.

It is an arithmetic number, because the mean of its divisors is an integer number (36824545432).

Almost surely, 2^73649090863 is an apocalyptic number.

73649090863 is a deficient number, since it is larger than the sum of its proper divisors (1).

73649090863 is an equidigital number, since it uses as much as digits as its factorization.

73649090863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 73649090863 in words is "seventy-three billion, six hundred forty-nine million, ninety thousand, eight hundred sixty-three".