3129377361 has 8 divisors (see below), whose sum is σ = 4551821664. Its totient is φ = 1896592320.

The previous prime is 3129377353. The next prime is 3129377369. The reversal of 3129377361 is 1637739213.

It is an interprime number because it is at equal distance from previous prime (3129377353) and next prime (3129377369).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3129377361 - 2³ = 3129377353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3129377369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47414776 + ... + 47414841.

It is an arithmetic number, because the mean of its divisors is an integer number (568977708).

Almost surely, 2^3129377361 is an apocalyptic number.

It is an amenable number.

3129377361 is a deficient number, since it is larger than the sum of its proper divisors (1422444303).

3129377361 is a wasteful number, since it uses less digits than its factorization.

3129377361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94829631.

The product of its digits is 142884, while the sum is 42.

The square root of 3129377361 is about 55940.8380434187. The cubic root of 3129377361 is about 1462.6911896154.

It can be divided in two parts, 31 and 29377361, that added together give a palindrome (29377392).

The spelling of 3129377361 in words is "three billion, one hundred twenty-nine million, three hundred seventy-seven thousand, three hundred sixty-one".