73455760249 has 2 divisors, whose sum is σ = 73455760250. Its totient is φ = 73455760248.

The previous prime is 73455760223. The next prime is 73455760271. The reversal of 73455760249 is 94206755437.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57082766400 + 16372993849 = 238920^2 + 127957^2 .

It is a cyclic number.

It is not a de Polignac number, because 73455760249 - 2⁹ = 73455759737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73455760196 and 73455760205.

It is not a weakly prime, because it can be changed into another prime (73455760289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36727880124 + 36727880125.

It is an arithmetic number, because the mean of its divisors is an integer number (36727880125).

Almost surely, 2^73455760249 is an apocalyptic number.

It is an amenable number.

73455760249 is a deficient number, since it is larger than the sum of its proper divisors (1).

73455760249 is an equidigital number, since it uses as much as digits as its factorization.

73455760249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 73455760249 in words is "seventy-three billion, four hundred fifty-five million, seven hundred sixty thousand, two hundred forty-nine".