3863651461 has 2 divisors, whose sum is σ = 3863651462. Its totient is φ = 3863651460.

The previous prime is 3863651459. The next prime is 3863651471. The reversal of 3863651461 is 1641563683.

3863651461 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2168764900 + 1694886561 = 46570^2 + 41169^2 .

It is an emirp because it is prime and its reverse (1641563683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3863651461 - 2¹ = 3863651459 is a prime.

It is a super-2 number, since 2×3863651461² = 29855605224174869042, which contains 22 as substring.

Together with 3863651459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3863651471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1931825730 + 1931825731.

It is an arithmetic number, because the mean of its divisors is an integer number (1931825731).

Almost surely, 2^3863651461 is an apocalyptic number.

It is an amenable number.

3863651461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3863651461 is an equidigital number, since it uses as much as digits as its factorization.

3863651461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 43.

The square root of 3863651461 is about 62158.2774938302. The cubic root of 3863651461 is about 1569.1554900732.

The spelling of 3863651461 in words is "three billion, eight hundred sixty-three million, six hundred fifty-one thousand, four hundred sixty-one".