2420646493 has 8 divisors (see below), whose sum is σ = 2582955200. Its totient is φ = 2261828448.

The previous prime is 2420646479. The next prime is 2420646509. The reversal of 2420646493 is 3946460242.

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

It is a cyclic number.

It is not a de Polignac number, because 2420646493 - 2²⁹ = 1883775581 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 (2420646413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871233 + ... + 874006.

It is an arithmetic number, because the mean of its divisors is an integer number (322869400).

Almost surely, 2^2420646493 is an apocalyptic number.

It is an amenable number.

2420646493 is a deficient number, since it is larger than the sum of its proper divisors (162308707).

2420646493 is a wasteful number, since it uses less digits than its factorization.

2420646493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745331.

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 2420646493 is about 49200.0659857281. The cubic root of 2420646493 is about 1342.6942326995.

The spelling of 2420646493 in words is "two billion, four hundred twenty million, six hundred forty-six thousand, four hundred ninety-three".