71219743201 has 4 divisors (see below), whose sum is σ = 73517154304. Its totient is φ = 68922332100.

The previous prime is 71219743129. The next prime is 71219743219. The reversal of 71219743201 is 10234791217.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10234791217 = 7 ⋅1462113031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71219743201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71219743901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148705505 + ... + 1148705566.

It is an arithmetic number, because the mean of its divisors is an integer number (18379288576).

Almost surely, 2^71219743201 is an apocalyptic number.

It is an amenable number.

71219743201 is a deficient number, since it is larger than the sum of its proper divisors (2297411103).

71219743201 is a wasteful number, since it uses less digits than its factorization.

71219743201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297411102.

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 71219743201 in words is "seventy-one billion, two hundred nineteen million, seven hundred forty-three thousand, two hundred one".