4000000451 has 2 divisors, whose sum is σ = 4000000452. Its totient is φ = 4000000450.

The previous prime is 4000000427. The next prime is 4000000453. The reversal of 4000000451 is 1540000004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4000000451 - 2⁶ = 4000000387 is a prime.

It is a Sophie Germain prime.

Together with 4000000453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4000000453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000000225 + 2000000226.

It is an arithmetic number, because the mean of its divisors is an integer number (2000000226).

Almost surely, 2^4000000451 is an apocalyptic number.

4000000451 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000000451 is an equidigital number, since it uses as much as digits as its factorization.

4000000451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 4000000451 is about 63245.5567688355. The cubic root of 4000000451 is about 1587.4011116280.

Adding to 4000000451 its reverse (1540000004), we get a palindrome (5540000455).

The spelling of 4000000451 in words is "four billion, four hundred fifty-one", and thus it is an aban number.