10399702543 has 8 divisors (see below), whose sum is σ = 10527174000. Its totient is φ = 10272283008.

The previous prime is 10399702531. The next prime is 10399702597. The reversal of 10399702543 is 34520799301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10399702543 - 2¹⁷ = 10399571471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10399702543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10399702843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525553 + ... + 544981.

It is an arithmetic number, because the mean of its divisors is an integer number (1315896750).

Almost surely, 2^10399702543 is an apocalyptic number.

10399702543 is a deficient number, since it is larger than the sum of its proper divisors (127471457).

10399702543 is an equidigital number, since it uses as much as digits as its factorization.

10399702543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25961.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 10399702543 in words is "ten billion, three hundred ninety-nine million, seven hundred two thousand, five hundred forty-three".