2143158729264 has 240 divisors, whose sum is σ = 7482721908480. Its totient is φ = 580102974720.

The previous prime is 2143158729181. The next prime is 2143158729293. The reversal of 2143158729264 is 4629278513412.

It is a happy number.

2143158729264 is a `hidden beast` number, since 2 + 1 + 4 + 31 + 587 + 2 + 9 + 26 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2143158729264.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1555167 + ... + 2589374.

It is an arithmetic number, because the mean of its divisors is an integer number (31178007952).

Almost surely, 2^{2143158729264} is an apocalyptic number.

2143158729264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2143158729264 is an abundant number, since it is smaller than the sum of its proper divisors (5339563179216).

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

2143158729264 is a wasteful number, since it uses less digits than its factorization.

2143158729264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144590 (or 4144572 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 2143158729264 in words is "two trillion, one hundred forty-three billion, one hundred fifty-eight million, seven hundred twenty-nine thousand, two hundred sixty-four".