1144219268913 has 64 divisors (see below), whose sum is σ = 1780838400000. Its totient is φ = 639977967360.

The previous prime is 1144219268893. The next prime is 1144219268917. The reversal of 1144219268913 is 3198629124411.

It is not a de Polignac number, because 1144219268913 - 2¹³ = 1144219260721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144219268917) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 238426288 + ... + 238431086.

It is an arithmetic number, because the mean of its divisors is an integer number (27825600000).

Almost surely, 2^{1144219268913} is an apocalyptic number.

It is an amenable number.

1144219268913 is a deficient number, since it is larger than the sum of its proper divisors (636619131087).

1144219268913 is a wasteful number, since it uses less digits than its factorization.

1144219268913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5742.

The product of its digits is 746496, while the sum is 51.

The spelling of 1144219268913 in words is "one trillion, one hundred forty-four billion, two hundred nineteen million, two hundred sixty-eight thousand, nine hundred thirteen".