4550421451 has 2 divisors, whose sum is σ = 4550421452. Its totient is φ = 4550421450.

The previous prime is 4550421413. The next prime is 4550421457. The reversal of 4550421451 is 1541240554.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4550421451 - 2⁹ = 4550420939 is a prime.

It is not a weakly prime, because it can be changed into another prime (4550421457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2275210725 + 2275210726.

It is an arithmetic number, because the mean of its divisors is an integer number (2275210726).

Almost surely, 2^4550421451 is an apocalyptic number.

4550421451 is a deficient number, since it is larger than the sum of its proper divisors (1).

4550421451 is an equidigital number, since it uses as much as digits as its factorization.

4550421451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 4550421451 is about 67456.8117464797. The cubic root of 4550421451 is about 1657.1069572417.

The spelling of 4550421451 in words is "four billion, five hundred fifty million, four hundred twenty-one thousand, four hundred fifty-one".