524938751993 has 2 divisors, whose sum is σ = 524938751994. Its totient is φ = 524938751992.

The previous prime is 524938751947. The next prime is 524938752017. The reversal of 524938751993 is 399157839425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513188842384 + 11749909609 = 716372^2 + 108397^2 .

It is a cyclic number.

It is not a de Polignac number, because 524938751993 - 2¹² = 524938747897 is a prime.

It is a super-2 number, since 2×524938751993² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (524938751933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262469375996 + 262469375997.

It is an arithmetic number, because the mean of its divisors is an integer number (262469375997).

Almost surely, 2^524938751993 is an apocalyptic number.

It is an amenable number.

524938751993 is a deficient number, since it is larger than the sum of its proper divisors (1).

524938751993 is an equidigital number, since it uses as much as digits as its factorization.

524938751993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73483200, while the sum is 65.

The spelling of 524938751993 in words is "five hundred twenty-four billion, nine hundred thirty-eight million, seven hundred fifty-one thousand, nine hundred ninety-three".