71450109373 has 2 divisors, whose sum is σ = 71450109374. Its totient is φ = 71450109372.

The previous prime is 71450109331. The next prime is 71450109383. The reversal of 71450109373 is 37390105417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37216968889 + 34233140484 = 192917^2 + 185022^2 .

It is a cyclic number.

It is not a de Polignac number, because 71450109373 - 2³³ = 62860174781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71450109383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35725054686 + 35725054687.

It is an arithmetic number, because the mean of its divisors is an integer number (35725054687).

Almost surely, 2^71450109373 is an apocalyptic number.

It is an amenable number.

71450109373 is a deficient number, since it is larger than the sum of its proper divisors (1).

71450109373 is an equidigital number, since it uses as much as digits as its factorization.

71450109373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 71450109373 in words is "seventy-one billion, four hundred fifty million, one hundred nine thousand, three hundred seventy-three".