2427421573 has 2 divisors, whose sum is σ = 2427421574. Its totient is φ = 2427421572.

The previous prime is 2427421559. The next prime is 2427421583. The reversal of 2427421573 is 3751247242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1274275809 + 1153145764 = 35697^2 + 33958^2 .

It is a cyclic number.

It is not a de Polignac number, because 2427421573 - 2²⁵ = 2393867141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2427421583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1213710786 + 1213710787.

It is an arithmetic number, because the mean of its divisors is an integer number (1213710787).

Almost surely, 2^2427421573 is an apocalyptic number.

It is an amenable number.

2427421573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2427421573 is an equidigital number, since it uses as much as digits as its factorization.

2427421573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 37.

The square root of 2427421573 is about 49268.8702224843. The cubic root of 2427421573 is about 1343.9457423075.

The spelling of 2427421573 in words is "two billion, four hundred twenty-seven million, four hundred twenty-one thousand, five hundred seventy-three".