6123738973535 has 4 divisors (see below), whose sum is σ = 7348486768248. Its totient is φ = 4898991178824.

The previous prime is 6123738973459. The next prime is 6123738973543. The reversal of 6123738973535 is 5353798373216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6123738973535 - 2³⁸ = 5848861066591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612373897349 + ... + 612373897358.

It is an arithmetic number, because the mean of its divisors is an integer number (1837121692062).

Almost surely, 2^{6123738973535} is an apocalyptic number.

6123738973535 is a deficient number, since it is larger than the sum of its proper divisors (1224747794713).

6123738973535 is a wasteful number, since it uses less digits than its factorization.

6123738973535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224747794712.

The product of its digits is 85730400, while the sum is 62.

The spelling of 6123738973535 in words is "six trillion, one hundred twenty-three billion, seven hundred thirty-eight million, nine hundred seventy-three thousand, five hundred thirty-five".