1481481469 has 8 divisors (see below), whose sum is σ = 1595759480. Its totient is φ = 1367248896.

The previous prime is 1481481467. The next prime is 1481481481. The reversal of 1481481469 is 9641841841.

It can be written as a sum of positive squares in 4 ways, for example, as 220166244 + 1261315225 = 14838^2 + 35515^2 .

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

It is not a de Polignac number, because 1481481469 - 2¹ = 1481481467 is a prime.

It is a super-2 number, since 2×1481481469² = 4389574685980795922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481481461) 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, 89749 + ... + 104965.

It is an arithmetic number, because the mean of its divisors is an integer number (199469935).

Almost surely, 2^1481481469 is an apocalyptic number.

It is an amenable number.

1481481469 is a deficient number, since it is larger than the sum of its proper divisors (114278011).

1481481469 is a wasteful number, since it uses less digits than its factorization.

1481481469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22719.

The product of its digits is 221184, while the sum is 46.

The square root of 1481481469 is about 38490.0177838359. The cubic root of 1481481469 is about 1139.9839612497.

The spelling of 1481481469 in words is "one billion, four hundred eighty-one million, four hundred eighty-one thousand, four hundred sixty-nine".