2141550001 has 4 divisors (see below), whose sum is σ = 2141702500. Its totient is φ = 2141397504.

The previous prime is 2141549999. The next prime is 2141550041. The reversal of 2141550001 is 1000551412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116640000 + 2024910001 = 10800^2 + 44999^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141550001 - 2¹ = 2141549999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141550041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52776 + ... + 84073.

It is an arithmetic number, because the mean of its divisors is an integer number (535425625).

Almost surely, 2^2141550001 is an apocalyptic number.

It is an amenable number.

2141550001 is a deficient number, since it is larger than the sum of its proper divisors (152499).

2141550001 is a wasteful number, since it uses less digits than its factorization.

2141550001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152498.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 2141550001 is about 46276.8840891433. The cubic root of 2141550001 is about 1288.9697924314.

The spelling of 2141550001 in words is "two billion, one hundred forty-one million, five hundred fifty thousand, one".