1494477999 has 48 divisors (see below), whose sum is σ = 2595479040. Its totient is φ = 847370160.

The previous prime is 1494477953. The next prime is 1494478021. The reversal of 1494477999 is 9997744941.

It is not a de Polignac number, because 1494477999 - 2¹⁷ = 1494346927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494477799) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169002 + ... + 177624.

It is an arithmetic number, because the mean of its divisors is an integer number (54072480).

Almost surely, 2^1494477999 is an apocalyptic number.

1494477999 is a deficient number, since it is larger than the sum of its proper divisors (1101001041).

1494477999 is a wasteful number, since it uses less digits than its factorization.

1494477999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8777 (or 8764 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 63.

The square root of 1494477999 is about 38658.4790052583. The cubic root of 1494477999 is about 1143.3078234856.

The spelling of 1494477999 in words is "one billion, four hundred ninety-four million, four hundred seventy-seven thousand, nine hundred ninety-nine".