3487714951681 has 2 divisors, whose sum is σ = 3487714951682. Its totient is φ = 3487714951680.

The previous prime is 3487714951627. The next prime is 3487714951717. The reversal of 3487714951681 is 1861594177843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3321837953281 + 165876998400 = 1822591^2 + 407280^2 .

It is a cyclic number.

It is not a de Polignac number, because 3487714951681 - 2⁹ = 3487714951169 is a prime.

It is a super-2 number, since 2×3487714951681² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3487714951621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1743857475840 + 1743857475841.

It is an arithmetic number, because the mean of its divisors is an integer number (1743857475841).

Almost surely, 2^{3487714951681} is an apocalyptic number.

It is an amenable number.

3487714951681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3487714951681 is an equidigital number, since it uses as much as digits as its factorization.

3487714951681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40642560, while the sum is 64.

The spelling of 3487714951681 in words is "three trillion, four hundred eighty-seven billion, seven hundred fourteen million, nine hundred fifty-one thousand, six hundred eighty-one".