1420432653 has 8 divisors (see below), whose sum is σ = 1896858208. Its totient is φ = 945481104.

The previous prime is 1420432633. The next prime is 1420432669. The reversal of 1420432653 is 3562340241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1420432653 - 2⁵ = 1420432621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420432653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420432633) 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 in 7 ways as a sum of consecutive naturals, for example, 366250 + ... + 370107.

It is an arithmetic number, because the mean of its divisors is an integer number (237107276).

Almost surely, 2^1420432653 is an apocalyptic number.

It is an amenable number.

1420432653 is a deficient number, since it is larger than the sum of its proper divisors (476425555).

1420432653 is an equidigital number, since it uses as much as digits as its factorization.

1420432653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737003.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 1420432653 is about 37688.6276348715. The cubic root of 1420432653 is about 1124.1050074871.

Adding to 1420432653 its reverse (3562340241), we get a palindrome (4982772894).

The spelling of 1420432653 in words is "one billion, four hundred twenty million, four hundred thirty-two thousand, six hundred fifty-three".