641124202403 has 4 divisors (see below), whose sum is σ = 641147884608. Its totient is φ = 641100520200.

The previous prime is 641124202361. The next prime is 641124202469. The reversal of 641124202403 is 304202421146.

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 641124202403 - 2¹⁰ = 641124201379 is a prime.

It is a super-2 number, since 2×641124202403² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641124232403) 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, 11800448 + ... + 11854653.

It is an arithmetic number, because the mean of its divisors is an integer number (160286971152).

Almost surely, 2^641124202403 is an apocalyptic number.

641124202403 is a deficient number, since it is larger than the sum of its proper divisors (23682205).

641124202403 is a wasteful number, since it uses less digits than its factorization.

641124202403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23682204.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 641124202403 its reverse (304202421146), we get a palindrome (945326623549).

The spelling of 641124202403 in words is "six hundred forty-one billion, one hundred twenty-four million, two hundred two thousand, four hundred three".