8120514369 has 48 divisors (see below), whose sum is σ = 12139073856. Its totient is φ = 4823892480.

The previous prime is 8120514349. The next prime is 8120514377. The reversal of 8120514369 is 9634150218.

It is not a de Polignac number, because 8120514369 - 2¹² = 8120510273 is a prime.

It is a super-2 number, since 2×8120514369² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8120514349) 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, 5666077 + ... + 5667509.

It is an arithmetic number, because the mean of its divisors is an integer number (252897372).

Almost surely, 2^8120514369 is an apocalyptic number.

It is an amenable number.

8120514369 is a deficient number, since it is larger than the sum of its proper divisors (4018559487).

8120514369 is a wasteful number, since it uses less digits than its factorization.

8120514369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758 (or 1747 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 8120514369 is about 90113.8966475205. The cubic root of 8120514369 is about 2009.9928523792.

The spelling of 8120514369 in words is "eight billion, one hundred twenty million, five hundred fourteen thousand, three hundred sixty-nine".