3722636851 has 2 divisors, whose sum is σ = 3722636852. Its totient is φ = 3722636850.

The previous prime is 3722636837. The next prime is 3722636903. The reversal of 3722636851 is 1586362273.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3722636851 - 2¹⁷ = 3722505779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3722636798 and 3722636807.

It is not a weakly prime, because it can be changed into another prime (3722636831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861318425 + 1861318426.

It is an arithmetic number, because the mean of its divisors is an integer number (1861318426).

Almost surely, 2^3722636851 is an apocalyptic number.

3722636851 is a deficient number, since it is larger than the sum of its proper divisors (1).

3722636851 is an equidigital number, since it uses as much as digits as its factorization.

3722636851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 3722636851 is about 61013.4153363012. The cubic root of 3722636851 is about 1549.8281947625.

The spelling of 3722636851 in words is "three billion, seven hundred twenty-two million, six hundred thirty-six thousand, eight hundred fifty-one".