13046631377 has 4 divisors (see below), whose sum is σ = 14050218420. Its totient is φ = 12043044336.

The previous prime is 13046631359. The next prime is 13046631379. The reversal of 13046631377 is 77313664031.

13046631377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77313664031 = 389 ⋅198749779.

It can be written as a sum of positive squares in 2 ways, for example, as 3282029521 + 9764601856 = 57289^2 + 98816^2 .

It is a cyclic number.

It is not a de Polignac number, because 13046631377 - 2¹⁶ = 13046565841 is a prime.

It is a super-2 number, since 2×13046631377² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13046631379) 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 3 ways as a sum of consecutive naturals, for example, 501793502 + ... + 501793527.

It is an arithmetic number, because the mean of its divisors is an integer number (3512554605).

Almost surely, 2^13046631377 is an apocalyptic number.

It is an amenable number.

13046631377 is a deficient number, since it is larger than the sum of its proper divisors (1003587043).

13046631377 is a wasteful number, since it uses less digits than its factorization.

13046631377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003587042.

The product of its (nonzero) digits is 190512, while the sum is 41.

The spelling of 13046631377 in words is "thirteen billion, forty-six million, six hundred thirty-one thousand, three hundred seventy-seven".