3609121393 has 2 divisors, whose sum is σ = 3609121394. Its totient is φ = 3609121392.

The previous prime is 3609121381. The next prime is 3609121457. The reversal of 3609121393 is 3931219063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3141826704 + 467294689 = 56052^2 + 21617^2 .

It is a cyclic number.

It is not a de Polignac number, because 3609121393 - 2⁹ = 3609120881 is a prime.

It is not a weakly prime, because it can be changed into another prime (3609121333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1804560696 + 1804560697.

It is an arithmetic number, because the mean of its divisors is an integer number (1804560697).

Almost surely, 2^3609121393 is an apocalyptic number.

It is an amenable number.

3609121393 is a deficient number, since it is larger than the sum of its proper divisors (1).

3609121393 is an equidigital number, since it uses as much as digits as its factorization.

3609121393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 3609121393 is about 60075.9635211954. The cubic root of 3609121393 is about 1533.9121822650.

The spelling of 3609121393 in words is "three billion, six hundred nine million, one hundred twenty-one thousand, three hundred ninety-three".