42505277232797 has 2 divisors, whose sum is σ = 42505277232798. Its totient is φ = 42505277232796.

The previous prime is 42505277232791. The next prime is 42505277232827. The reversal of 42505277232797 is 79723277250524.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42388289975641 + 116987257156 = 6510629^2 + 342034^2 .

It is a cyclic number.

It is not a de Polignac number, because 42505277232797 - 2¹⁰ = 42505277231773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42505277232791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21252638616398 + 21252638616399.

It is an arithmetic number, because the mean of its divisors is an integer number (21252638616399).

Almost surely, 2^{42505277232797} is an apocalyptic number.

It is an amenable number.

42505277232797 is a deficient number, since it is larger than the sum of its proper divisors (1).

42505277232797 is an equidigital number, since it uses as much as digits as its factorization.

42505277232797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103723200, while the sum is 62.

The spelling of 42505277232797 in words is "forty-two trillion, five hundred five billion, two hundred seventy-seven million, two hundred thirty-two thousand, seven hundred ninety-seven".