3609211157 has 2 divisors, whose sum is σ = 3609211158. Its totient is φ = 3609211156.

The previous prime is 3609211147. The next prime is 3609211223. The reversal of 3609211157 is 7511129063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3496829956 + 112381201 = 59134^2 + 10601^2 .

It is a cyclic number.

It is not a de Polignac number, because 3609211157 - 2¹⁴ = 3609194773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3609211147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1804605578 + 1804605579.

It is an arithmetic number, because the mean of its divisors is an integer number (1804605579).

Almost surely, 2^3609211157 is an apocalyptic number.

It is an amenable number.

3609211157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3609211157 is an equidigital number, since it uses as much as digits as its factorization.

3609211157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 3609211157 is about 60076.7106040269. The cubic root of 3609211157 is about 1533.9248990213.

The spelling of 3609211157 in words is "three billion, six hundred nine million, two hundred eleven thousand, one hundred fifty-seven".