2141402447 has 4 divisors (see below), whose sum is σ = 2156808360. Its totient is φ = 2125996536.

The previous prime is 2141402443. The next prime is 2141402539. The reversal of 2141402447 is 7442041412.

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

It is a cyclic number.

It is not a de Polignac number, because 2141402447 - 2² = 2141402443 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 (2141402441) 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, 7702748 + ... + 7703025.

It is an arithmetic number, because the mean of its divisors is an integer number (539202090).

Almost surely, 2^2141402447 is an apocalyptic number.

2141402447 is a deficient number, since it is larger than the sum of its proper divisors (15405913).

2141402447 is a wasteful number, since it uses less digits than its factorization.

2141402447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15405912.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 2141402447 is about 46275.2898100055. The cubic root of 2141402447 is about 1288.9401881702.

Adding to 2141402447 its reverse (7442041412), we get a palindrome (9583443859).

The spelling of 2141402447 in words is "two billion, one hundred forty-one million, four hundred two thousand, four hundred forty-seven".