538229749919 has 2 divisors, whose sum is σ = 538229749920. Its totient is φ = 538229749918.

The previous prime is 538229749873. The next prime is 538229749927. The reversal of 538229749919 is 919947922835.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538229749919 is a prime.

It is a super-2 number, since 2×538229749919² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538229749999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269114874959 + 269114874960.

It is an arithmetic number, because the mean of its divisors is an integer number (269114874960).

Almost surely, 2^538229749919 is an apocalyptic number.

538229749919 is a deficient number, since it is larger than the sum of its proper divisors (1).

538229749919 is an equidigital number, since it uses as much as digits as its factorization.

538229749919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88179840, while the sum is 68.

The spelling of 538229749919 in words is "five hundred thirty-eight billion, two hundred twenty-nine million, seven hundred forty-nine thousand, nine hundred nineteen".