420000240097 has 2 divisors, whose sum is σ = 420000240098. Its totient is φ = 420000240096.

The previous prime is 420000240091. The next prime is 420000240113. The reversal of 420000240097 is 790042000024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 397247836176 + 22752403921 = 630276^2 + 150839^2 .

It is a cyclic number.

It is not a de Polignac number, because 420000240097 - 2³ = 420000240089 is a prime.

It is not a weakly prime, because it can be changed into another prime (420000240091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210000120048 + 210000120049.

It is an arithmetic number, because the mean of its divisors is an integer number (210000120049).

Almost surely, 2^420000240097 is an apocalyptic number.

It is an amenable number.

420000240097 is a deficient number, since it is larger than the sum of its proper divisors (1).

420000240097 is an equidigital number, since it uses as much as digits as its factorization.

420000240097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 420000240097 in words is "four hundred twenty billion, two hundred forty thousand, ninety-seven".