1348617621 has 32 divisors (see below), whose sum is σ = 1970293248. Its totient is φ = 815555520.

The previous prime is 1348617619. The next prime is 1348617629. The reversal of 1348617621 is 1267168431.

It is not a de Polignac number, because 1348617621 - 2¹ = 1348617619 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1348617621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348617629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 545430 + ... + 547896.

It is an arithmetic number, because the mean of its divisors is an integer number (61571664).

Almost surely, 2^1348617621 is an apocalyptic number.

It is an amenable number.

1348617621 is a deficient number, since it is larger than the sum of its proper divisors (621675627).

1348617621 is a wasteful number, since it uses less digits than its factorization.

1348617621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721.

The product of its digits is 48384, while the sum is 39.

The square root of 1348617621 is about 36723.5295280832. The cubic root of 1348617621 is about 1104.8320816617.

The spelling of 1348617621 in words is "one billion, three hundred forty-eight million, six hundred seventeen thousand, six hundred twenty-one".