2500434242551 has 4 divisors (see below), whose sum is σ = 2857639134352. Its totient is φ = 2143229350752.

The previous prime is 2500434242531. The next prime is 2500434242569. The reversal of 2500434242551 is 1552424340052.

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

It is not a de Polignac number, because 2500434242551 - 2¹⁵ = 2500434209783 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 2500434242551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500434242531) 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, 178602445890 + ... + 178602445903.

It is an arithmetic number, because the mean of its divisors is an integer number (714409783588).

Almost surely, 2^{2500434242551} is an apocalyptic number.

2500434242551 is a deficient number, since it is larger than the sum of its proper divisors (357204891801).

2500434242551 is an equidigital number, since it uses as much as digits as its factorization.

2500434242551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357204891800.

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 2500434242551 in words is "two trillion, five hundred billion, four hundred thirty-four million, two hundred forty-two thousand, five hundred fifty-one".