8836429381 has 4 divisors (see below), whose sum is σ = 9516154732. Its totient is φ = 8156704032.

The previous prime is 8836429373. The next prime is 8836429387. The reversal of 8836429381 is 1839246388.

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 4701296356 + 4135133025 = 68566^2 + 64305^2 .

It is a cyclic number.

It is not a de Polignac number, because 8836429381 - 2³ = 8836429373 is a prime.

It is a super-2 number, since 2×8836429381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8836429387) 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, 339862656 + ... + 339862681.

It is an arithmetic number, because the mean of its divisors is an integer number (2379038683).

Almost surely, 2^8836429381 is an apocalyptic number.

It is an amenable number.

8836429381 is a deficient number, since it is larger than the sum of its proper divisors (679725351).

8836429381 is a wasteful number, since it uses less digits than its factorization.

8836429381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679725350.

The product of its digits is 1990656, while the sum is 52.

The square root of 8836429381 is about 94002.2839137433. The cubic root of 8836429381 is about 2067.4051970506.

The spelling of 8836429381 in words is "eight billion, eight hundred thirty-six million, four hundred twenty-nine thousand, three hundred eighty-one".