2545464623 has 16 divisors (see below), whose sum is σ = 2834437536. Its totient is φ = 2270876160.

The previous prime is 2545464619. The next prime is 2545464629. The reversal of 2545464623 is 3264645452.

It is a cyclic number.

It is not a de Polignac number, because 2545464623 - 2² = 2545464619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545464629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34715 + ... + 79347.

It is an arithmetic number, because the mean of its divisors is an integer number (177152346).

Almost surely, 2^2545464623 is an apocalyptic number.

2545464623 is a deficient number, since it is larger than the sum of its proper divisors (288972913).

2545464623 is a wasteful number, since it uses less digits than its factorization.

2545464623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44794.

The product of its digits is 691200, while the sum is 41.

The square root of 2545464623 is about 50452.5977824730. The cubic root of 2545464623 is about 1365.3867640580.

The spelling of 2545464623 in words is "two billion, five hundred forty-five million, four hundred sixty-four thousand, six hundred twenty-three".