2506420429 has 4 divisors (see below), whose sum is σ = 2514428476. Its totient is φ = 2498412384.

The previous prime is 2506420409. The next prime is 2506420451. The reversal of 2506420429 is 9240246052.

2506420429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 979564804 + 1526855625 = 31298^2 + 39075^2 .

It is a cyclic number.

It is not a de Polignac number, because 2506420429 - 2¹¹ = 2506418381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2506420394 and 2506420403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506420409) 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, 4003554 + ... + 4004179.

It is an arithmetic number, because the mean of its divisors is an integer number (628607119).

Almost surely, 2^2506420429 is an apocalyptic number.

It is an amenable number.

2506420429 is a deficient number, since it is larger than the sum of its proper divisors (8008047).

2506420429 is an equidigital number, since it uses as much as digits as its factorization.

2506420429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8008046.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2506420429 is about 50064.1631209391. The cubic root of 2506420429 is about 1358.3696634777.

The spelling of 2506420429 in words is "two billion, five hundred six million, four hundred twenty thousand, four hundred twenty-nine".