2606430457 has 4 divisors (see below), whose sum is σ = 2611060560. Its totient is φ = 2601800356.

The previous prime is 2606430443. The next prime is 2606430487. The reversal of 2606430457 is 7540346062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2606430457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2606430487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2314207 + ... + 2315332.

It is an arithmetic number, because the mean of its divisors is an integer number (652765140).

Almost surely, 2^2606430457 is an apocalyptic number.

It is an amenable number.

2606430457 is a deficient number, since it is larger than the sum of its proper divisors (4630103).

2606430457 is an equidigital number, since it uses as much as digits as its factorization.

2606430457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630102.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 2606430457 is about 51053.2120145246. The cubic root of 2606430457 is about 1376.2015646968.

The spelling of 2606430457 in words is "two billion, six hundred six million, four hundred thirty thousand, four hundred fifty-seven".