3129890377 has 4 divisors (see below), whose sum is σ = 3142877716. Its totient is φ = 3116903040.

The previous prime is 3129890369. The next prime is 3129890389. The reversal of 3129890377 is 7730989213.

3129890377 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1534367241 + 1595523136 = 39171^2 + 39944^2 .

It is a cyclic number.

It is not a de Polignac number, because 3129890377 - 2³ = 3129890369 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 3129890377.

It is not an unprimeable number, because it can be changed into a prime (3129890977) 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, 6493308 + ... + 6493789.

It is an arithmetic number, because the mean of its divisors is an integer number (785719429).

Almost surely, 2^3129890377 is an apocalyptic number.

It is an amenable number.

3129890377 is a deficient number, since it is larger than the sum of its proper divisors (12987339).

3129890377 is a wasteful number, since it uses less digits than its factorization.

3129890377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12987338.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 3129890377 is about 55945.4231997578. The cubic root of 3129890377 is about 1462.7711142453.

The spelling of 3129890377 in words is "three billion, one hundred twenty-nine million, eight hundred ninety thousand, three hundred seventy-seven".