2929319381 has 4 divisors (see below), whose sum is σ = 2984589612. Its totient is φ = 2874049152.

The previous prime is 2929319359. The next prime is 2929319417. The reversal of 2929319381 is 1839139292.

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 1132322500 + 1796996881 = 33650^2 + 42391^2 .

It is a cyclic number.

It is not a de Polignac number, because 2929319381 - 2¹⁸ = 2929057237 is a prime.

It is a super-2 number, since 2×2929319381² = 17161824071804446322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2929319311) 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, 27635036 + ... + 27635141.

It is an arithmetic number, because the mean of its divisors is an integer number (746147403).

Almost surely, 2^2929319381 is an apocalyptic number.

It is an amenable number.

2929319381 is a deficient number, since it is larger than the sum of its proper divisors (55270231).

2929319381 is an equidigital number, since it uses as much as digits as its factorization.

2929319381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55270230.

The product of its digits is 209952, while the sum is 47.

The square root of 2929319381 is about 54123.1870920403. The cubic root of 2929319381 is about 1430.8328695080.

The spelling of 2929319381 in words is "two billion, nine hundred twenty-nine million, three hundred nineteen thousand, three hundred eighty-one".