1481359881 has 8 divisors (see below), whose sum is σ = 1978694784. Its totient is φ = 985799120.

The previous prime is 1481359879. The next prime is 1481359897. The reversal of 1481359881 is 1889531841.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1481359881 - 2¹ = 1481359879 is a prime.

It is a super-2 number, since 2×1481359881² = 4388854194072668322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1481359881.

It is not an unprimeable number, because it can be changed into a prime (1481357881) 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, 441585 + ... + 444926.

It is an arithmetic number, because the mean of its divisors is an integer number (247336848).

Almost surely, 2^1481359881 is an apocalyptic number.

It is an amenable number.

1481359881 is a deficient number, since it is larger than the sum of its proper divisors (497334903).

1481359881 is an equidigital number, since it uses as much as digits as its factorization.

1481359881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887071.

The product of its digits is 276480, while the sum is 48.

The square root of 1481359881 is about 38488.4382769683. The cubic root of 1481359881 is about 1139.9527735130.

The spelling of 1481359881 in words is "one billion, four hundred eighty-one million, three hundred fifty-nine thousand, eight hundred eighty-one".