101742864943 has 2 divisors, whose sum is σ = 101742864944. Its totient is φ = 101742864942.

The previous prime is 101742864917. The next prime is 101742864947. The reversal of 101742864943 is 349468247101.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (349468247101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101742864943 - 2¹⁷ = 101742733871 is a prime.

It is a super-2 number, since 2×101742864943² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101742864947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50871432471 + 50871432472.

It is an arithmetic number, because the mean of its divisors is an integer number (50871432472).

Almost surely, 2^101742864943 is an apocalyptic number.

101742864943 is a deficient number, since it is larger than the sum of its proper divisors (1).

101742864943 is an equidigital number, since it uses as much as digits as its factorization.

101742864943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 101742864943 in words is "one hundred one billion, seven hundred forty-two million, eight hundred sixty-four thousand, nine hundred forty-three".