2143996739503 has 4 divisors (see below), whose sum is σ = 2144109298408. Its totient is φ = 2143884180600.

The previous prime is 2143996739497. The next prime is 2143996739509. The reversal of 2143996739503 is 3059376993412.

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

It is an interprime number because it is at equal distance from previous prime (2143996739497) and next prime (2143996739509).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143996739503 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 (2143996739509) 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, 56250876 + ... + 56288977.

It is an arithmetic number, because the mean of its divisors is an integer number (536027324602).

Almost surely, 2^{2143996739503} is an apocalyptic number.

2143996739503 is a deficient number, since it is larger than the sum of its proper divisors (112558905).

2143996739503 is a wasteful number, since it uses less digits than its factorization.

2143996739503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112558904.

The product of its (nonzero) digits is 33067440, while the sum is 61.

The spelling of 2143996739503 in words is "two trillion, one hundred forty-three billion, nine hundred ninety-six million, seven hundred thirty-nine thousand, five hundred three".