13530212377 has 6 divisors (see below), whose sum is σ = 14872051754. Its totient is φ = 12300192960.

The previous prime is 13530212351. The next prime is 13530212389. The reversal of 13530212377 is 77321203531.

It can be written as a sum of positive squares in only one way, i.e., 13503369616 + 26842761 = 116204^2 + 5181^2 .

It is not a de Polignac number, because 13530212377 - 2¹⁵ = 13530179609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13530212317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55909848 + ... + 55910089.

Almost surely, 2^13530212377 is an apocalyptic number.

It is an amenable number.

13530212377 is a deficient number, since it is larger than the sum of its proper divisors (1341839377).

13530212377 is a wasteful number, since it uses less digits than its factorization.

13530212377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111819959 (or 111819948 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 34.

The spelling of 13530212377 in words is "thirteen billion, five hundred thirty million, two hundred twelve thousand, three hundred seventy-seven".