1483979621 has 2 divisors, whose sum is σ = 1483979622. Its totient is φ = 1483979620.

The previous prime is 1483979611. The next prime is 1483979663. The reversal of 1483979621 is 1269793841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1355270596 + 128709025 = 36814^2 + 11345^2 .

It is an emirp because it is prime and its reverse (1269793841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1483979621 - 2⁶ = 1483979557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1483979621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1483979611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 741989810 + 741989811.

It is an arithmetic number, because the mean of its divisors is an integer number (741989811).

Almost surely, 2^1483979621 is an apocalyptic number.

It is an amenable number.

1483979621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1483979621 is an equidigital number, since it uses as much as digits as its factorization.

1483979621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 1483979621 is about 38522.4560613676. The cubic root of 1483979621 is about 1140.6243684000.

The spelling of 1483979621 in words is "one billion, four hundred eighty-three million, nine hundred seventy-nine thousand, six hundred twenty-one".