1479046381 has 4 divisors (see below), whose sum is σ = 1480609152. Its totient is φ = 1477483612.

The previous prime is 1479046351. The next prime is 1479046403. The reversal of 1479046381 is 1836409741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1836409741 = 41641 ⋅44101.

It is a cyclic number.

It is not a de Polignac number, because 1479046381 - 2¹⁷ = 1478915309 is a prime.

It is a super-2 number, since 2×1479046381² = 4375156394298394322, 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 (1479046351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779965 + ... + 781858.

It is an arithmetic number, because the mean of its divisors is an integer number (370152288).

Almost surely, 2^1479046381 is an apocalyptic number.

It is an amenable number.

1479046381 is a deficient number, since it is larger than the sum of its proper divisors (1562771).

1479046381 is an equidigital number, since it uses as much as digits as its factorization.

1479046381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562770.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 1479046381 is about 38458.3720534294. The cubic root of 1479046381 is about 1139.3590274368.

The spelling of 1479046381 in words is "one billion, four hundred seventy-nine million, forty-six thousand, three hundred eighty-one".