2545416623 has 8 divisors (see below), whose sum is σ = 2640535200. Its totient is φ = 2450787808.

The previous prime is 2545416611. The next prime is 2545416659. The reversal of 2545416623 is 3266145452.

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 2545416623 - 2⁴ = 2545416607 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 (2545416683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111836 + ... + 132657.

It is an arithmetic number, because the mean of its divisors is an integer number (330066900).

Almost surely, 2^2545416623 is an apocalyptic number.

2545416623 is a deficient number, since it is larger than the sum of its proper divisors (95118577).

2545416623 is a wasteful number, since it uses less digits than its factorization.

2545416623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244881.

The product of its digits is 172800, while the sum is 38.

The square root of 2545416623 is about 50452.1220861918. The cubic root of 2545416623 is about 1365.3781816069.

The spelling of 2545416623 in words is "two billion, five hundred forty-five million, four hundred sixteen thousand, six hundred twenty-three".