2381051729 has 8 divisors (see below), whose sum is σ = 2735016768. Its totient is φ = 2030540400.

The previous prime is 2381051723. The next prime is 2381051741. The reversal of 2381051729 is 9271501832.

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

It is not a de Polignac number, because 2381051729 - 2¹² = 2381047633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2381051692 and 2381051701.

It is not an unprimeable number, because it can be changed into a prime (2381051723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861947 + ... + 864704.

It is an arithmetic number, because the mean of its divisors is an integer number (341877096).

Almost surely, 2^2381051729 is an apocalyptic number.

It is an amenable number.

2381051729 is a deficient number, since it is larger than the sum of its proper divisors (353965039).

2381051729 is a wasteful number, since it uses less digits than its factorization.

2381051729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726855.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 2381051729 is about 48796.0216513601. The cubic root of 2381051729 is about 1335.3330873150. Note that the first 3 decimals are identical.

The spelling of 2381051729 in words is "two billion, three hundred eighty-one million, fifty-one thousand, seven hundred twenty-nine".