2642920507 has 4 divisors (see below), whose sum is σ = 2643420136. Its totient is φ = 2642420880.

The previous prime is 2642920499. The next prime is 2642920529. The reversal of 2642920507 is 7050292462.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2642920507 - 2³ = 2642920499 is a prime.

It is a super-2 number, since 2×2642920507² = 13970057612642274098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642920537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241794 + ... + 252487.

It is an arithmetic number, because the mean of its divisors is an integer number (660855034).

Almost surely, 2^2642920507 is an apocalyptic number.

2642920507 is a deficient number, since it is larger than the sum of its proper divisors (499629).

2642920507 is an equidigital number, since it uses as much as digits as its factorization.

2642920507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499628.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2642920507 is about 51409.3426042388. The cubic root of 2642920507 is about 1382.5941031204.

The spelling of 2642920507 in words is "two billion, six hundred forty-two million, nine hundred twenty thousand, five hundred seven".