42303753397 has 2 divisors, whose sum is σ = 42303753398. Its totient is φ = 42303753396.

The previous prime is 42303753353. The next prime is 42303753409. The reversal of 42303753397 is 79335730324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41665382641 + 638370756 = 204121^2 + 25266^2 .

It is a cyclic number.

It is not a de Polignac number, because 42303753397 - 2⁷ = 42303753269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42303753337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21151876698 + 21151876699.

It is an arithmetic number, because the mean of its divisors is an integer number (21151876699).

Almost surely, 2^42303753397 is an apocalyptic number.

It is an amenable number.

42303753397 is a deficient number, since it is larger than the sum of its proper divisors (1).

42303753397 is an equidigital number, since it uses as much as digits as its factorization.

42303753397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 46.

The spelling of 42303753397 in words is "forty-two billion, three hundred three million, seven hundred fifty-three thousand, three hundred ninety-seven".