420410010240397 has 2 divisors, whose sum is σ = 420410010240398. Its totient is φ = 420410010240396.

The previous prime is 420410010240371. The next prime is 420410010240439. The reversal of 420410010240397 is 793042010014024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252411575901156 + 167998434339241 = 15887466^2 + 12961421^2 .

It is a cyclic number.

It is not a de Polignac number, because 420410010240397 - 2²³ = 420410001851789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420410010240097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210205005120198 + 210205005120199.

It is an arithmetic number, because the mean of its divisors is an integer number (210205005120199).

Almost surely, 2^{420410010240397} is an apocalyptic number.

It is an amenable number.

420410010240397 is a deficient number, since it is larger than the sum of its proper divisors (1).

420410010240397 is an equidigital number, since it uses as much as digits as its factorization.

420410010240397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 420410010240397 in words is "four hundred twenty trillion, four hundred ten billion, ten million, two hundred forty thousand, three hundred ninety-seven".