2545703673 has 8 divisors (see below), whose sum is σ = 3473208288. Its totient is φ = 1657667424.

The previous prime is 2545703627. The next prime is 2545703731. The reversal of 2545703673 is 3763075452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2545703673 - 2⁸ = 2545703417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545703773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9866940 + ... + 9867197.

It is an arithmetic number, because the mean of its divisors is an integer number (434151036).

Almost surely, 2^2545703673 is an apocalyptic number.

It is an amenable number.

2545703673 is a deficient number, since it is larger than the sum of its proper divisors (927504615).

2545703673 is a wasteful number, since it uses less digits than its factorization.

2545703673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19734183.

The product of its (nonzero) digits is 529200, while the sum is 42.

The square root of 2545703673 is about 50454.9667822703. The cubic root of 2545703673 is about 1365.4295048456.

The spelling of 2545703673 in words is "two billion, five hundred forty-five million, seven hundred three thousand, six hundred seventy-three".