13437073077 has 4 divisors (see below), whose sum is σ = 17916097440. Its totient is φ = 8958048716.

The previous prime is 13437073019. The next prime is 13437073081. The reversal of 13437073077 is 77037073431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13437073077 - 2¹⁰ = 13437072053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13437073007) 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, 2239512177 + ... + 2239512182.

It is an arithmetic number, because the mean of its divisors is an integer number (4479024360).

Almost surely, 2^13437073077 is an apocalyptic number.

It is an amenable number.

13437073077 is a deficient number, since it is larger than the sum of its proper divisors (4479024363).

13437073077 is an equidigital number, since it uses as much as digits as its factorization.

13437073077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479024362.

The product of its (nonzero) digits is 259308, while the sum is 42.

The spelling of 13437073077 in words is "thirteen billion, four hundred thirty-seven million, seventy-three thousand, seventy-seven".