1344495511 has 4 divisors (see below), whose sum is σ = 1350266112. Its totient is φ = 1338724912.

The previous prime is 1344495437. The next prime is 1344495539. The reversal of 1344495511 is 1155944431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1155944431 = 6793 ⋅170167.

It is a cyclic number.

It is not a de Polignac number, because 1344495511 - 2²¹ = 1342398359 is a prime.

It is a super-2 number, since 2×1344495511² = 3615336358198302242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344495811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2884951 + ... + 2885416.

It is an arithmetic number, because the mean of its divisors is an integer number (337566528).

Almost surely, 2^1344495511 is an apocalyptic number.

1344495511 is a deficient number, since it is larger than the sum of its proper divisors (5770601).

1344495511 is an equidigital number, since it uses as much as digits as its factorization.

1344495511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770600.

The product of its digits is 43200, while the sum is 37.

The square root of 1344495511 is about 36667.3630221755. The cubic root of 1344495511 is about 1103.7052766343.

The spelling of 1344495511 in words is "one billion, three hundred forty-four million, four hundred ninety-five thousand, five hundred eleven".