2148720029 has 8 divisors (see below), whose sum is σ = 2171147328. Its totient is φ = 2126406880.

The previous prime is 2148720023. The next prime is 2148720043. The reversal of 2148720029 is 9200278412.

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

It is a cyclic number.

It is not a de Polignac number, because 2148720029 - 2⁸ = 2148719773 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 (2148720023) 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, 9569 + ... + 66249.

It is an arithmetic number, because the mean of its divisors is an integer number (271393416).

Almost surely, 2^2148720029 is an apocalyptic number.

It is an amenable number.

2148720029 is a deficient number, since it is larger than the sum of its proper divisors (22427299).

2148720029 is a wasteful number, since it uses less digits than its factorization.

2148720029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57075.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 2148720029 is about 46354.2881403652. The cubic root of 2148720029 is about 1290.4067040849.

The spelling of 2148720029 in words is "two billion, one hundred forty-eight million, seven hundred twenty thousand, twenty-nine".