1449478479 has 16 divisors (see below), whose sum is σ = 2047326080. Its totient is φ = 909623520.

The previous prime is 1449478447. The next prime is 1449478489. The reversal of 1449478479 is 9748749441.

It is not a de Polignac number, because 1449478479 - 2⁵ = 1449478447 is a prime.

It is a super-2 number, since 2×1449478479² = 4201975722168306882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449478489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72037 + ... + 89934.

It is an arithmetic number, because the mean of its divisors is an integer number (127957880).

Almost surely, 2^1449478479 is an apocalyptic number.

1449478479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1449478479 is a deficient number, since it is larger than the sum of its proper divisors (597847601).

1449478479 is a wasteful number, since it uses less digits than its factorization.

1449478479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162150.

The product of its digits is 8128512, while the sum is 57.

The square root of 1449478479 is about 38072.0170072456. The cubic root of 1449478479 is about 1131.7154821812.

The spelling of 1449478479 in words is "one billion, four hundred forty-nine million, four hundred seventy-eight thousand, four hundred seventy-nine".