32551996743 has 30 divisors (see below), whose sum is σ = 55581114776. Its totient is φ = 18598686048.

The previous prime is 32551996739. The next prime is 32551996747. The reversal of 32551996743 is 34769915523.

32551996743 is a `hidden beast` number, since 3 + 25 + 519 + 9 + 67 + 43 = 666.

It is an interprime number because it is at equal distance from previous prime (32551996739) and next prime (32551996747).

It is not a de Polignac number, because 32551996743 - 2² = 32551996739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32551996743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32551996747) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 4292371 + ... + 4299947.

Almost surely, 2^32551996743 is an apocalyptic number.

32551996743 is a deficient number, since it is larger than the sum of its proper divisors (23029118033).

32551996743 is an frugal number, since it uses more digits than its factorization.

32551996743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15173 (or 7587 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 54.

The spelling of 32551996743 in words is "thirty-two billion, five hundred fifty-one million, nine hundred ninety-six thousand, seven hundred forty-three".