3621313471157 has 2 divisors, whose sum is σ = 3621313471158. Its totient is φ = 3621313471156.

The previous prime is 3621313471121. The next prime is 3621313471189. The reversal of 3621313471157 is 7511743131263.

3621313471157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3164933508676 + 456379962481 = 1779026^2 + 675559^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3621313471157 is a prime.

It is a super-2 number, since 2×3621313471157² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3621313471117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810656735578 + 1810656735579.

It is an arithmetic number, because the mean of its divisors is an integer number (1810656735579).

Almost surely, 2^{3621313471157} is an apocalyptic number.

It is an amenable number.

3621313471157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621313471157 is an equidigital number, since it uses as much as digits as its factorization.

3621313471157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 44.

The spelling of 3621313471157 in words is "three trillion, six hundred twenty-one billion, three hundred thirteen million, four hundred seventy-one thousand, one hundred fifty-seven".