514404661143 has 4 divisors (see below), whose sum is σ = 685872881528. Its totient is φ = 342936440760.

The previous prime is 514404661139. The next prime is 514404661151. The reversal of 514404661143 is 341166404415.

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

It is not a de Polignac number, because 514404661143 - 2² = 514404661139 is a prime.

It is a super-2 number, since 2×514404661143² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514404681143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85734110188 + ... + 85734110193.

It is an arithmetic number, because the mean of its divisors is an integer number (171468220382).

Almost surely, 2^514404661143 is an apocalyptic number.

514404661143 is a deficient number, since it is larger than the sum of its proper divisors (171468220385).

514404661143 is a wasteful number, since it uses less digits than its factorization.

514404661143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171468220384.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 514404661143 in words is "five hundred fourteen billion, four hundred four million, six hundred sixty-one thousand, one hundred forty-three".