69427650645 has 48 divisors (see below), whose sum is σ = 121191033600. Its totient is φ = 36767092992.

The previous prime is 69427650631. The next prime is 69427650671. The reversal of 69427650645 is 54605672496.

69427650645 is a `hidden beast` number, since 6 + 94 + 2 + 7 + 6 + 506 + 45 = 666.

It is not a de Polignac number, because 69427650645 - 2¹⁵ = 69427617877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69427650591 and 69427650600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7878832 + ... + 7887638.

It is an arithmetic number, because the mean of its divisors is an integer number (2524813200).

Almost surely, 2^69427650645 is an apocalyptic number.

It is an amenable number.

69427650645 is a deficient number, since it is larger than the sum of its proper divisors (51763382955).

69427650645 is a wasteful number, since it uses less digits than its factorization.

69427650645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10034 (or 10031 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 69427650645 in words is "sixty-nine billion, four hundred twenty-seven million, six hundred fifty thousand, six hundred forty-five".