2141331621 has 16 divisors (see below), whose sum is σ = 3354254400. Its totient is φ = 1197947520.

The previous prime is 2141331613. The next prime is 2141331623. The reversal of 2141331621 is 1261331412.

It is a happy number.

It is not a de Polignac number, because 2141331621 - 2³ = 2141331613 is a prime.

It is a super-2 number, since 2×2141331621² = 9170602222188975282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2141331591 and 2141331600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141331623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2495296 + ... + 2496153.

It is an arithmetic number, because the mean of its divisors is an integer number (209640900).

Almost surely, 2^2141331621 is an apocalyptic number.

It is an amenable number.

2141331621 is a deficient number, since it is larger than the sum of its proper divisors (1212922779).

2141331621 is a wasteful number, since it uses less digits than its factorization.

2141331621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991476.

The product of its digits is 864, while the sum is 24.

The square root of 2141331621 is about 46274.5245356449. The cubic root of 2141331621 is about 1288.9259776257.

The spelling of 2141331621 in words is "two billion, one hundred forty-one million, three hundred thirty-one thousand, six hundred twenty-one".