1480189021 has 2 divisors, whose sum is σ = 1480189022. Its totient is φ = 1480189020.

The previous prime is 1480189019. The next prime is 1480189069. The reversal of 1480189021 is 1209810841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1248844921 + 231344100 = 35339^2 + 15210^2 .

It is an emirp because it is prime and its reverse (1209810841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1480189021 - 2¹ = 1480189019 is a prime.

Together with 1480189019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1480189721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740094510 + 740094511.

It is an arithmetic number, because the mean of its divisors is an integer number (740094511).

Almost surely, 2^1480189021 is an apocalyptic number.

It is an amenable number.

1480189021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1480189021 is an equidigital number, since it uses as much as digits as its factorization.

1480189021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 1480189021 is about 38473.2247283744. The cubic root of 1480189021 is about 1139.6523565493.

Adding to 1480189021 its reverse (1209810841), we get a palindrome (2689999862).

The spelling of 1480189021 in words is "one billion, four hundred eighty million, one hundred eighty-nine thousand, twenty-one".