8103738645 has 48 divisors (see below), whose sum is σ = 14141312640. Its totient is φ = 4292915328.

The previous prime is 8103738589. The next prime is 8103738647. The reversal of 8103738645 is 5468373018.

It is not a de Polignac number, because 8103738645 - 2⁶ = 8103738581 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8103738645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8103738647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6625504 + ... + 6626726.

It is an arithmetic number, because the mean of its divisors is an integer number (294610680).

Almost surely, 2^8103738645 is an apocalyptic number.

It is an amenable number.

8103738645 is a deficient number, since it is larger than the sum of its proper divisors (6037573995).

8103738645 is a wasteful number, since it uses less digits than its factorization.

8103738645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106 (or 2103 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 8103738645 is about 90020.7678538680. The cubic root of 8103738645 is about 2008.6077869366.

The spelling of 8103738645 in words is "eight billion, one hundred three million, seven hundred thirty-eight thousand, six hundred forty-five".