1299423454844 has 6 divisors (see below), whose sum is σ = 2273991045984. Its totient is φ = 649711727420.

The previous prime is 1299423454843. The next prime is 1299423454939. The reversal of 1299423454844 is 4484543249921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299423454843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162427931852 + ... + 162427931859.

It is an arithmetic number, because the mean of its divisors is an integer number (378998507664).

Almost surely, 2^{1299423454844} is an apocalyptic number.

It is an amenable number.

1299423454844 is a deficient number, since it is larger than the sum of its proper divisors (974567591140).

1299423454844 is a wasteful number, since it uses less digits than its factorization.

1299423454844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324855863715 (or 324855863713 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 59.

The spelling of 1299423454844 in words is "one trillion, two hundred ninety-nine billion, four hundred twenty-three million, four hundred fifty-four thousand, eight hundred forty-four".