1478994001 has 4 divisors (see below), whose sum is σ = 1543298112. Its totient is φ = 1414689892.

The previous prime is 1478993993. The next prime is 1478994091. The reversal of 1478994001 is 1004998741.

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.

It is a cyclic number.

It is not a de Polignac number, because 1478994001 - 2³ = 1478993993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1478994091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32152021 + ... + 32152066.

It is an arithmetic number, because the mean of its divisors is an integer number (385824528).

Almost surely, 2^1478994001 is an apocalyptic number.

It is an amenable number.

1478994001 is a deficient number, since it is larger than the sum of its proper divisors (64304111).

1478994001 is an equidigital number, since it uses as much as digits as its factorization.

1478994001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64304110.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 1478994001 is about 38457.6910513359. The cubic root of 1478994001 is about 1139.3455772545.

The spelling of 1478994001 in words is "one billion, four hundred seventy-eight million, nine hundred ninety-four thousand, one".