2632433957861 has 8 divisors (see below), whose sum is σ = 2650212227064. Its totient is φ = 2614668488640.

The previous prime is 2632433957809. The next prime is 2632433957869. The reversal of 2632433957861 is 1687593342362.

It can be written as a sum of positive squares in 4 ways, for example, as 1313760685636 + 1318673272225 = 1146194^2 + 1148335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2632433957861 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 2632433957861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2632433957869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2787110 + ... + 3610103.

It is an arithmetic number, because the mean of its divisors is an integer number (331276528383).

Almost surely, 2^{2632433957861} is an apocalyptic number.

It is an amenable number.

2632433957861 is a deficient number, since it is larger than the sum of its proper divisors (17778269203).

2632433957861 is a wasteful number, since it uses less digits than its factorization.

2632433957861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6399991.

The product of its digits is 39191040, while the sum is 59.

The spelling of 2632433957861 in words is "two trillion, six hundred thirty-two billion, four hundred thirty-three million, nine hundred fifty-seven thousand, eight hundred sixty-one".