71394460153 has 4 divisors (see below), whose sum is σ = 71417878900. Its totient is φ = 71371041408.

The previous prime is 71394460147. The next prime is 71394460157. The reversal of 71394460153 is 35106449317.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40661915904 + 30732544249 = 201648^2 + 175307^2 .

It is a cyclic number.

It is not a de Polignac number, because 71394460153 - 2⁵ = 71394460121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71394460157) 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, 11704800 + ... + 11710897.

It is an arithmetic number, because the mean of its divisors is an integer number (17854469725).

Almost surely, 2^71394460153 is an apocalyptic number.

It is an amenable number.

71394460153 is a deficient number, since it is larger than the sum of its proper divisors (23418747).

71394460153 is a wasteful number, since it uses less digits than its factorization.

71394460153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23418746.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 71394460153 in words is "seventy-one billion, three hundred ninety-four million, four hundred sixty thousand, one hundred fifty-three".