3534543266623 has 4 divisors (see below), whose sum is σ = 3688219060848. Its totient is φ = 3380867472400.

The previous prime is 3534543266581. The next prime is 3534543266627. The reversal of 3534543266623 is 3266623454353.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3534543266623 is a prime.

It is a super-2 number, since 2×3534543266623² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3534543266627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76837897078 + ... + 76837897123.

It is an arithmetic number, because the mean of its divisors is an integer number (922054765212).

Almost surely, 2^{3534543266623} is an apocalyptic number.

3534543266623 is a deficient number, since it is larger than the sum of its proper divisors (153675794225).

3534543266623 is a wasteful number, since it uses less digits than its factorization.

3534543266623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153675794224.

The product of its digits is 27993600, while the sum is 52.

The spelling of 3534543266623 in words is "three trillion, five hundred thirty-four billion, five hundred forty-three million, two hundred sixty-six thousand, six hundred twenty-three".