503245620043 has 4 divisors (see below), whose sum is σ = 503247995080. Its totient is φ = 503243245008.

The previous prime is 503245620023. The next prime is 503245620091. The reversal of 503245620043 is 340026542305.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340026542305 = 5 ⋅68005308461.

It is a cyclic number.

It is not a de Polignac number, because 503245620043 - 2¹³ = 503245611851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503245619990 and 503245620008.

It is not an unprimeable number, because it can be changed into a prime (503245620023) 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, 834753 + ... + 1305106.

It is an arithmetic number, because the mean of its divisors is an integer number (125811998770).

Almost surely, 2^503245620043 is an apocalyptic number.

503245620043 is a deficient number, since it is larger than the sum of its proper divisors (2375037).

503245620043 is a wasteful number, since it uses less digits than its factorization.

503245620043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375036.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 503245620043 in words is "five hundred three billion, two hundred forty-five million, six hundred twenty thousand, forty-three".