83631040403 has 4 divisors (see below), whose sum is σ = 84459070608. Its totient is φ = 82803010200.

The previous prime is 83631040397. The next prime is 83631040421. The reversal of 83631040403 is 30404013638.

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 83631040403 - 2¹⁰ = 83631039379 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 83631040403.

It is not an unprimeable number, because it can be changed into a prime (83631043403) 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, 414014951 + ... + 414015152.

It is an arithmetic number, because the mean of its divisors is an integer number (21114767652).

Almost surely, 2^83631040403 is an apocalyptic number.

83631040403 is a deficient number, since it is larger than the sum of its proper divisors (828030205).

83631040403 is a wasteful number, since it uses less digits than its factorization.

83631040403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828030204.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 83631040403 in words is "eighty-three billion, six hundred thirty-one million, forty thousand, four hundred three".