71914218401 has 2 divisors, whose sum is σ = 71914218402. Its totient is φ = 71914218400.

The previous prime is 71914218377. The next prime is 71914218421. The reversal of 71914218401 is 10481241917.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46688837776 + 25225380625 = 216076^2 + 158825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71914218401 is a prime.

It is not a weakly prime, because it can be changed into another prime (71914218421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35957109200 + 35957109201.

It is an arithmetic number, because the mean of its divisors is an integer number (35957109201).

Almost surely, 2^71914218401 is an apocalyptic number.

It is an amenable number.

71914218401 is a deficient number, since it is larger than the sum of its proper divisors (1).

71914218401 is an equidigital number, since it uses as much as digits as its factorization.

71914218401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 38.

The spelling of 71914218401 in words is "seventy-one billion, nine hundred fourteen million, two hundred eighteen thousand, four hundred one".