938470749497 has 2 divisors, whose sum is σ = 938470749498. Its totient is φ = 938470749496.

The previous prime is 938470749439. The next prime is 938470749511. The reversal of 938470749497 is 794947074839.

938470749497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493336259641 + 445134489856 = 702379^2 + 667184^2 .

It is an emirp because it is prime and its reverse (794947074839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 938470749497 - 2¹⁰ = 938470748473 is a prime.

It is a super-2 number, since 2×938470749497² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 938470749497.

It is not a weakly prime, because it can be changed into another prime (938470745497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469235374748 + 469235374749.

It is an arithmetic number, because the mean of its divisors is an integer number (469235374749).

Almost surely, 2^938470749497 is an apocalyptic number.

It is an amenable number.

938470749497 is a deficient number, since it is larger than the sum of its proper divisors (1).

938470749497 is an equidigital number, since it uses as much as digits as its factorization.

938470749497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384072192, while the sum is 71.

The spelling of 938470749497 in words is "nine hundred thirty-eight billion, four hundred seventy million, seven hundred forty-nine thousand, four hundred ninety-seven".