6918020712 has 48 divisors (see below), whose sum is σ = 18764780580. Its totient is φ = 2302502400.

The previous prime is 6918020699. The next prime is 6918020713. The reversal of 6918020712 is 2170208196.

It can be written as a sum of positive squares in 2 ways, for example, as 5507717796 + 1410302916 = 74214^2 + 37554^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6918020713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25089 + ... + 120272.

Almost surely, 2^6918020712 is an apocalyptic number.

It is an amenable number.

6918020712 is an abundant number, since it is smaller than the sum of its proper divisors (11846759868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6918020712 is a wasteful number, since it uses less digits than its factorization.

6918020712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146034 (or 146027 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 6918020712 is about 83174.6398369118. The cubic root of 6918020712 is about 1905.4341854487.

The spelling of 6918020712 in words is "six billion, nine hundred eighteen million, twenty thousand, seven hundred twelve".