1348397643 has 8 divisors (see below), whose sum is σ = 1892488000. Its totient is φ = 851619528.

The previous prime is 1348397591. The next prime is 1348397671. The reversal of 1348397643 is 3467938431.

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

It is not a de Polignac number, because 1348397643 - 2¹³ = 1348389451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1348397592 and 1348397601.

It is not an unprimeable number, because it can be changed into a prime (1348397683) 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, 11827993 + ... + 11828106.

It is an arithmetic number, because the mean of its divisors is an integer number (236561000).

Almost surely, 2^1348397643 is an apocalyptic number.

1348397643 is a deficient number, since it is larger than the sum of its proper divisors (544090357).

1348397643 is a wasteful number, since it uses less digits than its factorization.

1348397643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23656121.

The product of its digits is 1306368, while the sum is 48.

The square root of 1348397643 is about 36720.5343506872. The cubic root of 1348397643 is about 1104.7720073152.

The spelling of 1348397643 in words is "one billion, three hundred forty-eight million, three hundred ninety-seven thousand, six hundred forty-three".