534242440397 has 2 divisors, whose sum is σ = 534242440398. Its totient is φ = 534242440396.

The previous prime is 534242440349. The next prime is 534242440493. The reversal of 534242440397 is 793044242435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 518017030756 + 16225409641 = 719734^2 + 127379^2 .

It is a cyclic number.

It is not a de Polignac number, because 534242440397 - 2⁸ = 534242440141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534242442397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267121220198 + 267121220199.

It is an arithmetic number, because the mean of its divisors is an integer number (267121220199).

Almost surely, 2^534242440397 is an apocalyptic number.

It is an amenable number.

534242440397 is a deficient number, since it is larger than the sum of its proper divisors (1).

534242440397 is an equidigital number, since it uses as much as digits as its factorization.

534242440397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 534242440397 in words is "five hundred thirty-four billion, two hundred forty-two million, four hundred forty thousand, three hundred ninety-seven".