45343687653 has 20 divisors (see below), whose sum is σ = 73893418368. Its totient is φ = 27481022280.

The previous prime is 45343687651. The next prime is 45343687657. The reversal of 45343687653 is 35678634354.

45343687653 is a `hidden beast` number, since 4 + 534 + 36 + 8 + 76 + 5 + 3 = 666.

It is not a de Polignac number, because 45343687653 - 2¹ = 45343687651 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45343687653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45343687651) 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 19 ways as a sum of consecutive naturals, for example, 25444501 + ... + 25446282.

Almost surely, 2^45343687653 is an apocalyptic number.

It is an amenable number.

45343687653 is a deficient number, since it is larger than the sum of its proper divisors (28549730715).

45343687653 is a wasteful number, since it uses less digits than its factorization.

45343687653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50890806 (or 50890797 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 54.

The spelling of 45343687653 in words is "forty-five billion, three hundred forty-three million, six hundred eighty-seven thousand, six hundred fifty-three".