771432303013 has 4 divisors (see below), whose sum is σ = 798033416940. Its totient is φ = 744831189088.

The previous prime is 771432303007. The next prime is 771432303029. The reversal of 771432303013 is 310303234177.

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 235435537089 + 535996765924 = 485217^2 + 732118^2 .

It is a cyclic number.

It is not a de Polignac number, because 771432303013 - 2²⁵ = 771398748581 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 771432303013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (771432303113) 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, 13300556920 + ... + 13300556977.

It is an arithmetic number, because the mean of its divisors is an integer number (199508354235).

Almost surely, 2^771432303013 is an apocalyptic number.

It is an amenable number.

771432303013 is a deficient number, since it is larger than the sum of its proper divisors (26601113927).

771432303013 is a wasteful number, since it uses less digits than its factorization.

771432303013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26601113926.

The product of its (nonzero) digits is 31752, while the sum is 34.

The spelling of 771432303013 in words is "seven hundred seventy-one billion, four hundred thirty-two million, three hundred three thousand, thirteen".