1481373769 has 2 divisors, whose sum is σ = 1481373770. Its totient is φ = 1481373768.

The previous prime is 1481373763. The next prime is 1481373787. The reversal of 1481373769 is 9673731841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1310078025 + 171295744 = 36195^2 + 13088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1481373769 is a prime.

It is a super-2 number, since 2×1481373769² = 4388936486962530722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1481373763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740686884 + 740686885.

It is an arithmetic number, because the mean of its divisors is an integer number (740686885).

Almost surely, 2^1481373769 is an apocalyptic number.

It is an amenable number.

1481373769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481373769 is an equidigital number, since it uses as much as digits as its factorization.

1481373769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 49.

The square root of 1481373769 is about 38488.6186943621. The cubic root of 1481373769 is about 1139.9563359187.

The spelling of 1481373769 in words is "one billion, four hundred eighty-one million, three hundred seventy-three thousand, seven hundred sixty-nine".