73637000449 has 2 divisors, whose sum is σ = 73637000450. Its totient is φ = 73637000448.

The previous prime is 73637000407. The next prime is 73637000483. The reversal of 73637000449 is 94400073637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66495905424 + 7141095025 = 257868^2 + 84505^2 .

It is a cyclic number.

It is not a de Polignac number, because 73637000449 - 2²⁵ = 73603446017 is a prime.

It is not a weakly prime, because it can be changed into another prime (73637000249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36818500224 + 36818500225.

It is an arithmetic number, because the mean of its divisors is an integer number (36818500225).

Almost surely, 2^73637000449 is an apocalyptic number.

It is an amenable number.

73637000449 is a deficient number, since it is larger than the sum of its proper divisors (1).

73637000449 is an equidigital number, since it uses as much as digits as its factorization.

73637000449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 73637000449 in words is "seventy-three billion, six hundred thirty-seven million, four hundred forty-nine", and thus it is an aban number.