73135000249 has 2 divisors, whose sum is σ = 73135000250. Its totient is φ = 73135000248.

The previous prime is 73135000243. The next prime is 73135000313. The reversal of 73135000249 is 94200053137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72770457600 + 364542649 = 269760^2 + 19093^2 .

It is a cyclic number.

It is not a de Polignac number, because 73135000249 - 2⁷ = 73135000121 is a prime.

It is a super-2 number, since 2×73135000249² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73135000243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36567500124 + 36567500125.

It is an arithmetic number, because the mean of its divisors is an integer number (36567500125).

Almost surely, 2^73135000249 is an apocalyptic number.

It is an amenable number.

73135000249 is a deficient number, since it is larger than the sum of its proper divisors (1).

73135000249 is an equidigital number, since it uses as much as digits as its factorization.

73135000249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The spelling of 73135000249 in words is "seventy-three billion, one hundred thirty-five million, two hundred forty-nine", and thus it is an aban number.