45449279999 has 2 divisors, whose sum is σ = 45449280000. Its totient is φ = 45449279998.

The previous prime is 45449279989. The next prime is 45449280047. The reversal of 45449279999 is 99997294454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45449279999 - 2⁴ = 45449279983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45449279989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22724639999 + 22724640000.

It is an arithmetic number, because the mean of its divisors is an integer number (22724640000).

Almost surely, 2^45449279999 is an apocalyptic number.

45449279999 is a deficient number, since it is larger than the sum of its proper divisors (1).

45449279999 is an equidigital number, since it uses as much as digits as its factorization.

45449279999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264539520, while the sum is 71.

The spelling of 45449279999 in words is "forty-five billion, four hundred forty-nine million, two hundred seventy-nine thousand, nine hundred ninety-nine".