3081698149 has 2 divisors, whose sum is σ = 3081698150. Its totient is φ = 3081698148.

The previous prime is 3081698111. The next prime is 3081698177. The reversal of 3081698149 is 9418961803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1864944225 + 1216753924 = 43185^2 + 34882^2 .

It is a cyclic number.

It is not a de Polignac number, because 3081698149 - 2¹³ = 3081689957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3081698549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1540849074 + 1540849075.

It is an arithmetic number, because the mean of its divisors is an integer number (1540849075).

Almost surely, 2^3081698149 is an apocalyptic number.

It is an amenable number.

3081698149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3081698149 is an equidigital number, since it uses as much as digits as its factorization.

3081698149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 3081698149 is about 55513.0448543403. The cubic root of 3081698149 is about 1455.2246161105.

The spelling of 3081698149 in words is "three billion, eighty-one million, six hundred ninety-eight thousand, one hundred forty-nine".