1481129465 has 8 divisors (see below), whose sum is σ = 1778065800. Its totient is φ = 1184429952.

The previous prime is 1481129431. The next prime is 1481129479. The reversal of 1481129465 is 5649211841.

It can be written as a sum of positive squares in 4 ways, for example, as 288048784 + 1193080681 = 16972^2 + 34541^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1481129465 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45140 + ... + 70709.

It is an arithmetic number, because the mean of its divisors is an integer number (222258225).

Almost surely, 2^1481129465 is an apocalyptic number.

It is an amenable number.

1481129465 is a deficient number, since it is larger than the sum of its proper divisors (296936335).

1481129465 is a wasteful number, since it uses less digits than its factorization.

1481129465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118411.

The product of its digits is 69120, while the sum is 41.

The square root of 1481129465 is about 38485.4448460714. Note that the first 3 decimals coincide. The cubic root of 1481129465 is about 1139.8936663414.

The spelling of 1481129465 in words is "one billion, four hundred eighty-one million, one hundred twenty-nine thousand, four hundred sixty-five".