3981037037 has 2 divisors, whose sum is σ = 3981037038. Its totient is φ = 3981037036.

The previous prime is 3981036991. The next prime is 3981037057. The reversal of 3981037037 is 7307301893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3594482116 + 386554921 = 59954^2 + 19661^2 .

It is a cyclic number.

It is not a de Polignac number, because 3981037037 - 2⁸ = 3981036781 is a prime.

3981037037 is a modest number, since divided by 37037 gives 3981 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 3981036985 and 3981037003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3981037057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1990518518 + 1990518519.

It is an arithmetic number, because the mean of its divisors is an integer number (1990518519).

Almost surely, 2^3981037037 is an apocalyptic number.

It is an amenable number.

3981037037 is a deficient number, since it is larger than the sum of its proper divisors (1).

3981037037 is an equidigital number, since it uses as much as digits as its factorization.

3981037037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 3981037037 is about 63095.4597177959. The cubic root of 3981037037 is about 1584.8885918503. Note that the first 3 decimals are identical.

The spelling of 3981037037 in words is "three billion, nine hundred eighty-one million, thirty-seven thousand, thirty-seven".