101749408603943 has 2 divisors, whose sum is σ = 101749408603944. Its totient is φ = 101749408603942.

The previous prime is 101749408603903. The next prime is 101749408603987. The reversal of 101749408603943 is 349306804947101.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (349306804947101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101749408603943 - 2³⁸ = 101474530696999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101749408603903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50874704301971 + 50874704301972.

It is an arithmetic number, because the mean of its divisors is an integer number (50874704301972).

Almost surely, 2^{101749408603943} is an apocalyptic number.

101749408603943 is a deficient number, since it is larger than the sum of its proper divisors (1).

101749408603943 is an equidigital number, since it uses as much as digits as its factorization.

101749408603943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 101749408603943 in words is "one hundred one trillion, seven hundred forty-nine billion, four hundred eight million, six hundred three thousand, nine hundred forty-three".