8193370749 has 16 divisors (see below), whose sum is σ = 10982393664. Its totient is φ = 5433350400.

The previous prime is 8193370747. The next prime is 8193370781. The reversal of 8193370749 is 9470733918.

It is not a de Polignac number, because 8193370749 - 2¹ = 8193370747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8193370747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674322 + ... + 686364.

It is an arithmetic number, because the mean of its divisors is an integer number (686399604).

Almost surely, 2^8193370749 is an apocalyptic number.

It is an amenable number.

8193370749 is a deficient number, since it is larger than the sum of its proper divisors (2789022915).

8193370749 is a wasteful number, since it uses less digits than its factorization.

8193370749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13228.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 8193370749 is about 90517.2400650837. The cubic root of 8193370749 is about 2015.9861107694.

The spelling of 8193370749 in words is "eight billion, one hundred ninety-three million, three hundred seventy thousand, seven hundred forty-nine".