938470749919 has 2 divisors, whose sum is σ = 938470749920. Its totient is φ = 938470749918.

The previous prime is 938470749911. The next prime is 938470749959. The reversal of 938470749919 is 919947074839.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 938470749919 - 2³ = 938470749911 is a prime.

It is a super-2 number, since 2×938470749919² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (938470749911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469235374959 + 469235374960.

It is an arithmetic number, because the mean of its divisors is an integer number (469235374960).

Almost surely, 2^938470749919 is an apocalyptic number.

938470749919 is a deficient number, since it is larger than the sum of its proper divisors (1).

938470749919 is an equidigital number, since it uses as much as digits as its factorization.

938470749919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123451776, while the sum is 70.

The spelling of 938470749919 in words is "nine hundred thirty-eight billion, four hundred seventy million, seven hundred forty-nine thousand, nine hundred nineteen".