45543271651 has 4 divisors (see below), whose sum is σ = 45564348904. Its totient is φ = 45522194400.

The previous prime is 45543271649. The next prime is 45543271661. The reversal of 45543271651 is 15617234554.

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 45543271651 - 2¹ = 45543271649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45543271598 and 45543271607.

It is not an unprimeable number, because it can be changed into a prime (45543271601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10535385 + ... + 10539706.

It is an arithmetic number, because the mean of its divisors is an integer number (11391087226).

Almost surely, 2^45543271651 is an apocalyptic number.

45543271651 is a deficient number, since it is larger than the sum of its proper divisors (21077253).

45543271651 is a wasteful number, since it uses less digits than its factorization.

45543271651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21077252.

The product of its digits is 504000, while the sum is 43.

The spelling of 45543271651 in words is "forty-five billion, five hundred forty-three million, two hundred seventy-one thousand, six hundred fifty-one".