42710145997 has 2 divisors, whose sum is σ = 42710145998. Its totient is φ = 42710145996.

The previous prime is 42710145991. The next prime is 42710146091. The reversal of 42710145997 is 79954101724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42479683236 + 230462761 = 206106^2 + 15181^2 .

It is a cyclic number.

It is not a de Polignac number, because 42710145997 - 2⁷ = 42710145869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42710145997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42710145991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21355072998 + 21355072999.

It is an arithmetic number, because the mean of its divisors is an integer number (21355072999).

Almost surely, 2^42710145997 is an apocalyptic number.

It is an amenable number.

42710145997 is a deficient number, since it is larger than the sum of its proper divisors (1).

42710145997 is an equidigital number, since it uses as much as digits as its factorization.

42710145997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 42710145997 in words is "forty-two billion, seven hundred ten million, one hundred forty-five thousand, nine hundred ninety-seven".