71469979149 has 16 divisors (see below), whose sum is σ = 96059496960. Its totient is φ = 47264721840.

The previous prime is 71469979111. The next prime is 71469979153. The reversal of 71469979149 is 94197996417.

It is not a de Polignac number, because 71469979149 - 2⁸ = 71469978893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71469979149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71469979159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100722 + ... + 391260.

It is an arithmetic number, because the mean of its divisors is an integer number (6003718560).

Almost surely, 2^71469979149 is an apocalyptic number.

It is an amenable number.

71469979149 is a deficient number, since it is larger than the sum of its proper divisors (24589517811).

71469979149 is a wasteful number, since it uses less digits than its factorization.

71469979149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291200.

The product of its digits is 30862944, while the sum is 66.

The spelling of 71469979149 in words is "seventy-one billion, four hundred sixty-nine million, nine hundred seventy-nine thousand, one hundred forty-nine".