621632340203 has 16 divisors (see below), whose sum is σ = 711618733056. Its totient is φ = 531941679360.

The previous prime is 621632340163. The next prime is 621632340223. The reversal of 621632340203 is 302043236126.

It is not a de Polignac number, because 621632340203 - 2⁶ = 621632340139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 621632340203.

It is not an unprimeable number, because it can be changed into a prime (621632340223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44705150 + ... + 44719052.

It is an arithmetic number, because the mean of its divisors is an integer number (44476170816).

Almost surely, 2^621632340203 is an apocalyptic number.

621632340203 is a deficient number, since it is larger than the sum of its proper divisors (89986392853).

621632340203 is a wasteful number, since it uses less digits than its factorization.

621632340203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24074.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 621632340203 its reverse (302043236126), we get a palindrome (923675576329).

It can be divided in two parts, 6216323 and 40203, that added together give a palindrome (6256526).

The spelling of 621632340203 in words is "six hundred twenty-one billion, six hundred thirty-two million, three hundred forty thousand, two hundred three".