71246845913 has 8 divisors (see below), whose sum is σ = 72392304960. Its totient is φ = 70105330960.

The previous prime is 71246845877. The next prime is 71246845921. The reversal of 71246845913 is 31954864217.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71246845913 - 2¹⁸ = 71246583769 is a prime.

It is a super-2 number, since 2×71246845913² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71246865913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949595 + ... + 1021872.

It is an arithmetic number, because the mean of its divisors is an integer number (9049038120).

Almost surely, 2^71246845913 is an apocalyptic number.

It is an amenable number.

71246845913 is a deficient number, since it is larger than the sum of its proper divisors (1145459047).

71246845913 is a wasteful number, since it uses less digits than its factorization.

71246845913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972047.

The product of its digits is 1451520, while the sum is 50.

The spelling of 71246845913 in words is "seventy-one billion, two hundred forty-six million, eight hundred forty-five thousand, nine hundred thirteen".