1049398299399 has 16 divisors (see below), whose sum is σ = 1400178849920. Its totient is φ = 699108490080.

The previous prime is 1049398299373. The next prime is 1049398299407. The reversal of 1049398299399 is 9939928939401.

It is not a de Polignac number, because 1049398299399 - 2⁸ = 1049398299143 is a prime.

It is a super-2 number, since 2×1049398299399² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1049398299399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049398299329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26435364 + ... + 26475030.

It is an arithmetic number, because the mean of its divisors is an integer number (87511178120).

Almost surely, 2^{1049398299399} is an apocalyptic number.

1049398299399 is a deficient number, since it is larger than the sum of its proper divisors (350780550521).

1049398299399 is a wasteful number, since it uses less digits than its factorization.

1049398299399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45630.

The product of its (nonzero) digits is 306110016, while the sum is 75.

The spelling of 1049398299399 in words is "one trillion, forty-nine billion, three hundred ninety-eight million, two hundred ninety-nine thousand, three hundred ninety-nine".