5449979199990 has 64 divisors (see below), whose sum is σ = 14087849630400. Its totient is φ = 1341366718464.

The previous prime is 5449979199953. The next prime is 5449979200027. The reversal of 5449979199990 is 999919799445.

It is an interprime number because it is at equal distance from previous prime (5449979199953) and next prime (5449979200027).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2290926 + ... + 4018494.

It is an arithmetic number, because the mean of its divisors is an integer number (220122650475).

Almost surely, 2^{5449979199990} is an apocalyptic number.

5449979199990 is an abundant number, since it is smaller than the sum of its proper divisors (8637870430410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5449979199990 is a wasteful number, since it uses less digits than its factorization.

5449979199990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735681.

The product of its (nonzero) digits is 2678462640, while the sum is 84.

The spelling of 5449979199990 in words is "five trillion, four hundred forty-nine billion, nine hundred seventy-nine million, one hundred ninety-nine thousand, nine hundred ninety".