2151339829 has 4 divisors (see below), whose sum is σ = 2220737920. Its totient is φ = 2081941740.

The previous prime is 2151339793. The next prime is 2151339859. The reversal of 2151339829 is 9289331512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2151339829 - 2¹⁵ = 2151307061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151339859) 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, 34698999 + ... + 34699060.

It is an arithmetic number, because the mean of its divisors is an integer number (555184480).

Almost surely, 2^2151339829 is an apocalyptic number.

It is an amenable number.

2151339829 is a deficient number, since it is larger than the sum of its proper divisors (69398091).

2151339829 is an equidigital number, since it uses as much as digits as its factorization.

2151339829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69398090.

The product of its digits is 116640, while the sum is 43.

The square root of 2151339829 is about 46382.5379749750. The cubic root of 2151339829 is about 1290.9309284986.

The spelling of 2151339829 in words is "two billion, one hundred fifty-one million, three hundred thirty-nine thousand, eight hundred twenty-nine".