1344641401 has 4 divisors (see below), whose sum is σ = 1423737972. Its totient is φ = 1265544832.

The previous prime is 1344641339. The next prime is 1344641489. The reversal of 1344641401 is 1041464431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1081423225 + 263218176 = 32885^2 + 16224^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344641401 - 2¹⁵ = 1344608633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1344641401.

It is not an unprimeable number, because it can be changed into a prime (1344642401) 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, 39548260 + ... + 39548293.

It is an arithmetic number, because the mean of its divisors is an integer number (355934493).

Almost surely, 2^1344641401 is an apocalyptic number.

It is an amenable number.

1344641401 is a deficient number, since it is larger than the sum of its proper divisors (79096571).

1344641401 is an equidigital number, since it uses as much as digits as its factorization.

1344641401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79096570.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1344641401 is about 36669.3523395219. The cubic root of 1344641401 is about 1103.7451958798.

The spelling of 1344641401 in words is "one billion, three hundred forty-four million, six hundred forty-one thousand, four hundred one".