2645329503 has 8 divisors (see below), whose sum is σ = 3535485616. Its totient is φ = 1759363200.

The previous prime is 2645329501. The next prime is 2645329559. The reversal of 2645329503 is 3059235462.

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

It is not a de Polignac number, because 2645329503 - 2¹ = 2645329501 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 (2645329501) 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, 1045978 + ... + 1048503.

It is an arithmetic number, because the mean of its divisors is an integer number (441935702).

Almost surely, 2^2645329503 is an apocalyptic number.

2645329503 is a deficient number, since it is larger than the sum of its proper divisors (890156113).

2645329503 is a wasteful number, since it uses less digits than its factorization.

2645329503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094905.

The product of its (nonzero) digits is 194400, while the sum is 39.

The square root of 2645329503 is about 51432.7668223284. The cubic root of 2645329503 is about 1383.0140491878.

The spelling of 2645329503 in words is "two billion, six hundred forty-five million, three hundred twenty-nine thousand, five hundred three".