8103345538 has 4 divisors (see below), whose sum is σ = 12155018310. Its totient is φ = 4051672768.

The previous prime is 8103345521. The next prime is 8103345541. The reversal of 8103345538 is 8355433018.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7410971569 + 692373969 = 86087^2 + 26313^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8103345538.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025836383 + ... + 2025836386.

Almost surely, 2^8103345538 is an apocalyptic number.

8103345538 is a deficient number, since it is larger than the sum of its proper divisors (4051672772).

8103345538 is a wasteful number, since it uses less digits than its factorization.

8103345538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051672771.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 8103345538 is about 90018.5844034442. The cubic root of 8103345538 is about 2008.5753076665.

The spelling of 8103345538 in words is "eight billion, one hundred three million, three hundred forty-five thousand, five hundred thirty-eight".