1392654479 has 2 divisors, whose sum is σ = 1392654480. Its totient is φ = 1392654478.

The previous prime is 1392654469. The next prime is 1392654493. The reversal of 1392654479 is 9744562931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1392654479 - 2⁴ = 1392654463 is a prime.

It is a super-2 number, since 2×1392654479² = 3878972995757522882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1392654449) 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 as a sum of consecutive naturals, namely, 696327239 + 696327240.

It is an arithmetic number, because the mean of its divisors is an integer number (696327240).

Almost surely, 2^1392654479 is an apocalyptic number.

1392654479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1392654479 is an equidigital number, since it uses as much as digits as its factorization.

1392654479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 50.

The square root of 1392654479 is about 37318.2861208818. The cubic root of 1392654479 is about 1116.7289976147.

The spelling of 1392654479 in words is "one billion, three hundred ninety-two million, six hundred fifty-four thousand, four hundred seventy-nine".