2143401294 has 16 divisors (see below), whose sum is σ = 4295036880. Its totient is φ = 713094720.

The previous prime is 2143401283. The next prime is 2143401307. The reversal of 2143401294 is 4921043412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339709 + ... + 345960.

It is an arithmetic number, because the mean of its divisors is an integer number (268439805).

Almost surely, 2^2143401294 is an apocalyptic number.

2143401294 is an abundant number, since it is smaller than the sum of its proper divisors (2151635586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143401294 is a wasteful number, since it uses less digits than its factorization.

2143401294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686195.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2143401294 is about 46296.8821196417. The cubic root of 2143401294 is about 1289.3411081406.

The spelling of 2143401294 in words is "two billion, one hundred forty-three million, four hundred one thousand, two hundred ninety-four".