2170440539 has 2 divisors, whose sum is σ = 2170440540. Its totient is φ = 2170440538.

The previous prime is 2170440521. The next prime is 2170440557. The reversal of 2170440539 is 9350440712.

2170440539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2170440521) and next prime (2170440557).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2170440539 is a prime.

It is a super-2 number, since 2×2170440539² = 9421624266669221042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2170440499 and 2170440508.

It is not a weakly prime, because it can be changed into another prime (2170446539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085220269 + 1085220270.

It is an arithmetic number, because the mean of its divisors is an integer number (1085220270).

Almost surely, 2^2170440539 is an apocalyptic number.

2170440539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2170440539 is an equidigital number, since it uses as much as digits as its factorization.

2170440539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2170440539 is about 46587.9870674834. The cubic root of 2170440539 is about 1294.7401950449.

The spelling of 2170440539 in words is "two billion, one hundred seventy million, four hundred forty thousand, five hundred thirty-nine".