6920244245 has 8 divisors (see below), whose sum is σ = 8506837080. Its totient is φ = 5401166080.

The previous prime is 6920244241. The next prime is 6920244263. The reversal of 6920244245 is 5424420296.

It can be written as a sum of positive squares in 4 ways, for example, as 439028209 + 6481216036 = 20953^2 + 80506^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6920244245 - 2² = 6920244241 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6920244199 and 6920244208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6920244241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16878440 + ... + 16878849.

It is an arithmetic number, because the mean of its divisors is an integer number (1063354635).

Almost surely, 2^6920244245 is an apocalyptic number.

It is an amenable number.

6920244245 is a deficient number, since it is larger than the sum of its proper divisors (1586592835).

6920244245 is a wasteful number, since it uses less digits than its factorization.

6920244245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33757335.

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 6920244245 is about 83188.0054154444. The cubic root of 6920244245 is about 1905.6383065468.

The spelling of 6920244245 in words is "six billion, nine hundred twenty million, two hundred forty-four thousand, two hundred forty-five".