46449578249 has 2 divisors, whose sum is σ = 46449578250. Its totient is φ = 46449578248.

The previous prime is 46449578177. The next prime is 46449578269. The reversal of 46449578249 is 94287594464.

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., 44051713225 + 2397865024 = 209885^2 + 48968^2 .

It is a cyclic number.

It is not a de Polignac number, because 46449578249 - 2²⁸ = 46181142793 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 46449578191 and 46449578200.

It is not a weakly prime, because it can be changed into another prime (46449578269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23224789124 + 23224789125.

It is an arithmetic number, because the mean of its divisors is an integer number (23224789125).

Almost surely, 2^46449578249 is an apocalyptic number.

It is an amenable number.

46449578249 is a deficient number, since it is larger than the sum of its proper divisors (1).

46449578249 is an equidigital number, since it uses as much as digits as its factorization.

46449578249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69672960, while the sum is 62.

The spelling of 46449578249 in words is "forty-six billion, four hundred forty-nine million, five hundred seventy-eight thousand, two hundred forty-nine".