3721421053 has 8 divisors (see below), whose sum is σ = 4295162880. Its totient is φ = 3158206800.

The previous prime is 3721421029. The next prime is 3721421059. The reversal of 3721421053 is 3501241273.

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

It is a de Polignac number, because none of the positive numbers 2^k-3721421053 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 (3721421059) 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, 2631133 + ... + 2632546.

It is an arithmetic number, because the mean of its divisors is an integer number (536895360).

Almost surely, 2^3721421053 is an apocalyptic number.

It is an amenable number.

3721421053 is a deficient number, since it is larger than the sum of its proper divisors (573741827).

3721421053 is a wasteful number, since it uses less digits than its factorization.

3721421053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263787.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 3721421053 is about 61003.4511564715. The cubic root of 3721421053 is about 1549.6594538704.

The spelling of 3721421053 in words is "three billion, seven hundred twenty-one million, four hundred twenty-one thousand, fifty-three".