28392738203003 has 4 divisors (see below), whose sum is σ = 28535415279600. Its totient is φ = 28250061126408.

The previous prime is 28392738202973. The next prime is 28392738203021. The reversal of 28392738203003 is 30030283729382.

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

It is a cyclic number.

It is not a de Polignac number, because 28392738203003 - 2¹⁸ = 28392737940859 is a prime.

It is a super-2 number, since 2×28392738203003² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28392738203023) 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, 71338538000 + ... + 71338538397.

It is an arithmetic number, because the mean of its divisors is an integer number (7133853819900).

Almost surely, 2^{28392738203003} is an apocalyptic number.

28392738203003 is a deficient number, since it is larger than the sum of its proper divisors (142677076597).

28392738203003 is a wasteful number, since it uses less digits than its factorization.

28392738203003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142677076596.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 28392738203003 in words is "twenty-eight trillion, three hundred ninety-two billion, seven hundred thirty-eight million, two hundred three thousand, three".