1461420439 has 2 divisors, whose sum is σ = 1461420440. Its totient is φ = 1461420438.

The previous prime is 1461420427. The next prime is 1461420497. The reversal of 1461420439 is 9340241641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1461420439 - 2¹⁷ = 1461289367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1461420539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730710219 + 730710220.

It is an arithmetic number, because the mean of its divisors is an integer number (730710220).

Almost surely, 2^1461420439 is an apocalyptic number.

1461420439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461420439 is an equidigital number, since it uses as much as digits as its factorization.

1461420439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1461420439 is about 38228.5291242025. The cubic root of 1461420439 is about 1134.8149773116.

It can be divided in two parts, 14614 and 20439, that added together give a palindrome (35053).

The spelling of 1461420439 in words is "one billion, four hundred sixty-one million, four hundred twenty thousand, four hundred thirty-nine".