5842149721 has 8 divisors (see below), whose sum is σ = 5979063200. Its totient is φ = 5705284032.

The previous prime is 5842149701. The next prime is 5842149727. The reversal of 5842149721 is 1279412485.

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

It is not a de Polignac number, because 5842149721 - 2⁵ = 5842149689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5842149727) 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, 397105 + ... + 411553.

It is an arithmetic number, because the mean of its divisors is an integer number (747382900).

Almost surely, 2^5842149721 is an apocalyptic number.

It is an amenable number.

5842149721 is a deficient number, since it is larger than the sum of its proper divisors (136913479).

5842149721 is a wasteful number, since it uses less digits than its factorization.

5842149721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23895.

The product of its digits is 161280, while the sum is 43.

The square root of 5842149721 is about 76433.9565965285. The cubic root of 5842149721 is about 1801.0436048008.

The spelling of 5842149721 in words is "five billion, eight hundred forty-two million, one hundred forty-nine thousand, seven hundred twenty-one".