3900812681377 has 2 divisors, whose sum is σ = 3900812681378. Its totient is φ = 3900812681376.

The previous prime is 3900812681369. The next prime is 3900812681383. The reversal of 3900812681377 is 7731862180093.

It is a happy number.

3900812681377 is digitally balanced in base 3, 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., 3203781387921 + 697031293456 = 1789911^2 + 834884^2 .

It is a cyclic number.

It is not a de Polignac number, because 3900812681377 - 2³ = 3900812681369 is a prime.

It is a super-2 number, since 2×3900812681377² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3900812681387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1950406340688 + 1950406340689.

It is an arithmetic number, because the mean of its divisors is an integer number (1950406340689).

Almost surely, 2^{3900812681377} is an apocalyptic number.

It is an amenable number.

3900812681377 is a deficient number, since it is larger than the sum of its proper divisors (1).

3900812681377 is an equidigital number, since it uses as much as digits as its factorization.

3900812681377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 3900812681377 in words is "three trillion, nine hundred billion, eight hundred twelve million, six hundred eighty-one thousand, three hundred seventy-seven".