1344469134691 has 16 divisors (see below), whose sum is σ = 1365244606080. Its totient is φ = 1323854627200.

The previous prime is 1344469134599. The next prime is 1344469134731. The reversal of 1344469134691 is 1964319644431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1344469134691 - 2²⁵ = 1344435580259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344469137691) 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, 18623421 + ... + 18695473.

It is an arithmetic number, because the mean of its divisors is an integer number (85327787880).

Almost surely, 2^{1344469134691} is an apocalyptic number.

1344469134691 is a deficient number, since it is larger than the sum of its proper divisors (20775471389).

1344469134691 is a wasteful number, since it uses less digits than its factorization.

1344469134691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73166.

The product of its digits is 6718464, while the sum is 55.

The spelling of 1344469134691 in words is "one trillion, three hundred forty-four billion, four hundred sixty-nine million, one hundred thirty-four thousand, six hundred ninety-one".