3109400653 has 2 divisors, whose sum is σ = 3109400654. Its totient is φ = 3109400652.

The previous prime is 3109400639. The next prime is 3109400717. The reversal of 3109400653 is 3560049013.

3109400653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3109400644 + 9 = 55762^2 + 3^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3109400653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3109400053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1554700326 + 1554700327.

It is an arithmetic number, because the mean of its divisors is an integer number (1554700327).

Almost surely, 2^3109400653 is an apocalyptic number.

It is an amenable number.

3109400653 is a deficient number, since it is larger than the sum of its proper divisors (1).

3109400653 is an equidigital number, since it uses as much as digits as its factorization.

3109400653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 3109400653 is about 55762.0000807001. Note that the first 4 decimals coincide. The cubic root of 3109400653 is about 1459.5721291075.

Adding to 3109400653 its reverse (3560049013), we get a palindrome (6669449666).

The spelling of 3109400653 in words is "three billion, one hundred nine million, four hundred thousand, six hundred fifty-three".