2143343967294 has 32 divisors (see below), whose sum is σ = 4519616532480. Its totient is φ = 675748446912.

The previous prime is 2143343967277. The next prime is 2143343967307. The reversal of 2143343967294 is 4927693433412.

It is a happy number.

It is a super-3 number, since 3×2143343967294³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15165694 + ... + 15306369.

It is an arithmetic number, because the mean of its divisors is an integer number (141238016640).

Almost surely, 2^{2143343967294} is an apocalyptic number.

2143343967294 is an abundant number, since it is smaller than the sum of its proper divisors (2376272565186).

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

2143343967294 is a wasteful number, since it uses less digits than its factorization.

2143343967294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30472704.

The product of its digits is 23514624, while the sum is 57.

The spelling of 2143343967294 in words is "two trillion, one hundred forty-three billion, three hundred forty-three million, nine hundred sixty-seven thousand, two hundred ninety-four".