46149042209 has 2 divisors, whose sum is σ = 46149042210. Its totient is φ = 46149042208.

The previous prime is 46149042179. The next prime is 46149042241. The reversal of 46149042209 is 90224094164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30519041809 + 15630000400 = 174697^2 + 125020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46149042209 is a prime.

It is not a weakly prime, because it can be changed into another prime (46149042409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23074521104 + 23074521105.

It is an arithmetic number, because the mean of its divisors is an integer number (23074521105).

Almost surely, 2^46149042209 is an apocalyptic number.

It is an amenable number.

46149042209 is a deficient number, since it is larger than the sum of its proper divisors (1).

46149042209 is an equidigital number, since it uses as much as digits as its factorization.

46149042209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 46149042209 in words is "forty-six billion, one hundred forty-nine million, forty-two thousand, two hundred nine".