71985469029 has 8 divisors (see below), whose sum is σ = 98574696480. Its totient is φ = 46693277136.

The previous prime is 71985468991. The next prime is 71985469067. The reversal of 71985469029 is 92096458917.

It is an interprime number because it is at equal distance from previous prime (71985468991) and next prime (71985469067).

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

It is not a de Polignac number, because 71985469029 - 2⁷ = 71985468901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71985461029) 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, 324258759 + ... + 324258980.

It is an arithmetic number, because the mean of its divisors is an integer number (12321837060).

Almost surely, 2^71985469029 is an apocalyptic number.

It is an amenable number.

71985469029 is a deficient number, since it is larger than the sum of its proper divisors (26589227451).

71985469029 is a wasteful number, since it uses less digits than its factorization.

71985469029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648517779.

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 71985469029 in words is "seventy-one billion, nine hundred eighty-five million, four hundred sixty-nine thousand, twenty-nine".