32920438653 has 48 divisors (see below), whose sum is σ = 48580983360. Its totient is φ = 21478090752.

The previous prime is 32920438651. The next prime is 32920438667. The reversal of 32920438653 is 35683402923.

It is not a de Polignac number, because 32920438653 - 2¹ = 32920438651 is a prime.

It is a super-2 number, since 2×32920438653² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32920438599 and 32920438608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32920438651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56082226 + ... + 56082812.

It is an arithmetic number, because the mean of its divisors is an integer number (1012103820).

Almost surely, 2^32920438653 is an apocalyptic number.

It is an amenable number.

32920438653 is a deficient number, since it is larger than the sum of its proper divisors (15660544707).

32920438653 is a wasteful number, since it uses less digits than its factorization.

32920438653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 32920438653 in words is "thirty-two billion, nine hundred twenty million, four hundred thirty-eight thousand, six hundred fifty-three".