1285464479 has 16 divisors (see below), whose sum is σ = 1409264640. Its totient is φ = 1165332960.

The previous prime is 1285464463. The next prime is 1285464487. The reversal of 1285464479 is 9744645821.

It is a cyclic number.

It is not a de Polignac number, because 1285464479 - 2⁴ = 1285464463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285464449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310634 + ... + 314744.

It is an arithmetic number, because the mean of its divisors is an integer number (88079040).

Almost surely, 2^1285464479 is an apocalyptic number.

1285464479 is a deficient number, since it is larger than the sum of its proper divisors (123800161).

1285464479 is a wasteful number, since it uses less digits than its factorization.

1285464479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4550.

The product of its digits is 1935360, while the sum is 50.

The square root of 1285464479 is about 35853.3747226115. The cubic root of 1285464479 is about 1087.3099445737.

The spelling of 1285464479 in words is "one billion, two hundred eighty-five million, four hundred sixty-four thousand, four hundred seventy-nine".