32251664651 has 2 divisors, whose sum is σ = 32251664652. Its totient is φ = 32251664650.

The previous prime is 32251664629. The next prime is 32251664671. The reversal of 32251664651 is 15646615223.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (15646615223) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32251664651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32251664599 and 32251664608.

It is not a weakly prime, because it can be changed into another prime (32251664671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16125832325 + 16125832326.

It is an arithmetic number, because the mean of its divisors is an integer number (16125832326).

Almost surely, 2^32251664651 is an apocalyptic number.

32251664651 is a deficient number, since it is larger than the sum of its proper divisors (1).

32251664651 is an equidigital number, since it uses as much as digits as its factorization.

32251664651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 41.

The spelling of 32251664651 in words is "thirty-two billion, two hundred fifty-one million, six hundred sixty-four thousand, six hundred fifty-one".