45019802899999 has 4 divisors (see below), whose sum is σ = 45027365446336. Its totient is φ = 45012240353664.

The previous prime is 45019802899943. The next prime is 45019802900027. The reversal of 45019802899999 is 99999820891054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45019802899999 - 2³¹ = 45017655416351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45019832899999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3781264239 + ... + 3781276144.

It is an arithmetic number, because the mean of its divisors is an integer number (11256841361584).

Almost surely, 2^{45019802899999} is an apocalyptic number.

45019802899999 is a deficient number, since it is larger than the sum of its proper divisors (7562546337).

45019802899999 is an equidigital number, since it uses as much as digits as its factorization.

45019802899999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7562546336.

The product of its (nonzero) digits is 1360488960, while the sum is 82.

The spelling of 45019802899999 in words is "forty-five trillion, nineteen billion, eight hundred two million, eight hundred ninety-nine thousand, nine hundred ninety-nine".