72956379040229 has 2 divisors, whose sum is σ = 72956379040230. Its totient is φ = 72956379040228.

The previous prime is 72956379040183. The next prime is 72956379040241. The reversal of 72956379040229 is 92204097365927.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57444242323204 + 15512136717025 = 7579198^2 + 3938545^2 .

It is an emirp because it is prime and its reverse (92204097365927) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72956379040229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72956379042229) 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 as a sum of consecutive naturals, namely, 36478189520114 + 36478189520115.

It is an arithmetic number, because the mean of its divisors is an integer number (36478189520115).

Almost surely, 2^{72956379040229} is an apocalyptic number.

It is an amenable number.

72956379040229 is a deficient number, since it is larger than the sum of its proper divisors (1).

72956379040229 is an equidigital number, since it uses as much as digits as its factorization.

72956379040229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102876480, while the sum is 65.

The spelling of 72956379040229 in words is "seventy-two trillion, nine hundred fifty-six billion, three hundred seventy-nine million, forty thousand, two hundred twenty-nine".