3850061389 has 2 divisors, whose sum is σ = 3850061390. Its totient is φ = 3850061388.

The previous prime is 3850061329. The next prime is 3850061429. The reversal of 3850061389 is 9831600583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3402738889 + 447322500 = 58333^2 + 21150^2 .

It is a cyclic number.

It is not a de Polignac number, because 3850061389 - 2¹⁹ = 3849537101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3850061329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1925030694 + 1925030695.

It is an arithmetic number, because the mean of its divisors is an integer number (1925030695).

Almost surely, 2^3850061389 is an apocalyptic number.

It is an amenable number.

3850061389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3850061389 is an equidigital number, since it uses as much as digits as its factorization.

3850061389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 3850061389 is about 62048.8629146417. The cubic root of 3850061389 is about 1567.3135375253.

The spelling of 3850061389 in words is "three billion, eight hundred fifty million, sixty-one thousand, three hundred eighty-nine".