3936406451 has 2 divisors, whose sum is σ = 3936406452. Its totient is φ = 3936406450.

The previous prime is 3936406447. The next prime is 3936406459. The reversal of 3936406451 is 1546046393.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3936406451 - 2² = 3936406447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3936406399 and 3936406408.

It is not a weakly prime, because it can be changed into another prime (3936406459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1968203225 + 1968203226.

It is an arithmetic number, because the mean of its divisors is an integer number (1968203226).

Almost surely, 2^3936406451 is an apocalyptic number.

3936406451 is a deficient number, since it is larger than the sum of its proper divisors (1).

3936406451 is an equidigital number, since it uses as much as digits as its factorization.

3936406451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 3936406451 is about 62740.7877779679. The cubic root of 3936406451 is about 1578.9437007207.

The spelling of 3936406451 in words is "three billion, nine hundred thirty-six million, four hundred six thousand, four hundred fifty-one".