32151444641 has 2 divisors, whose sum is σ = 32151444642. Its totient is φ = 32151444640.

The previous prime is 32151444613. The next prime is 32151444659. The reversal of 32151444641 is 14644415123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32147055616 + 4389025 = 179296^2 + 2095^2 .

It is a cyclic number.

It is not a de Polignac number, because 32151444641 - 2²² = 32147250337 is a prime.

It is not a weakly prime, because it can be changed into another prime (32151440641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16075722320 + 16075722321.

It is an arithmetic number, because the mean of its divisors is an integer number (16075722321).

Almost surely, 2^32151444641 is an apocalyptic number.

It is an amenable number.

32151444641 is a deficient number, since it is larger than the sum of its proper divisors (1).

32151444641 is an equidigital number, since it uses as much as digits as its factorization.

32151444641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 35.

Adding to 32151444641 its reverse (14644415123), we get a palindrome (46795859764).

The spelling of 32151444641 in words is "thirty-two billion, one hundred fifty-one million, four hundred forty-four thousand, six hundred forty-one".