1344336621 has 8 divisors (see below), whose sum is σ = 1886788320. Its totient is φ = 849054672.

The previous prime is 1344336619. The next prime is 1344336661. The reversal of 1344336621 is 1266334431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1344336621 - 2¹ = 1344336619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344336611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11792370 + ... + 11792483.

It is an arithmetic number, because the mean of its divisors is an integer number (235848540).

Almost surely, 2^1344336621 is an apocalyptic number.

It is an amenable number.

1344336621 is a deficient number, since it is larger than the sum of its proper divisors (542451699).

1344336621 is a wasteful number, since it uses less digits than its factorization.

1344336621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23584875.

The product of its digits is 31104, while the sum is 33.

The square root of 1344336621 is about 36665.1963174889. The cubic root of 1344336621 is about 1103.6617969701.

The spelling of 1344336621 in words is "one billion, three hundred forty-four million, three hundred thirty-six thousand, six hundred twenty-one".