4254021047 has 2 divisors, whose sum is σ = 4254021048. Its totient is φ = 4254021046.

The previous prime is 4254021029. The next prime is 4254021137. The reversal of 4254021047 is 7401204524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4254021047 - 2⁶ = 4254020983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4254021547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127010523 + 2127010524.

It is an arithmetic number, because the mean of its divisors is an integer number (2127010524).

Almost surely, 2^4254021047 is an apocalyptic number.

4254021047 is a deficient number, since it is larger than the sum of its proper divisors (1).

4254021047 is an equidigital number, since it uses as much as digits as its factorization.

4254021047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 4254021047 is about 65222.8567834927. The cubic root of 4254021047 is about 1620.3165879008.

The spelling of 4254021047 in words is "four billion, two hundred fifty-four million, twenty-one thousand, forty-seven".