641013602 has 16 divisors (see below), whose sum is σ = 1017382560. Its totient is φ = 302061312.

The previous prime is 641013587. The next prime is 641013617. The reversal of 641013602 is 206310146.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (641013587) and next prime (641013617).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36368 + ... + 51035.

It is an arithmetic number, because the mean of its divisors is an integer number (63586410).

Almost surely, 2^641013602 is an apocalyptic number.

641013602 is a deficient number, since it is larger than the sum of its proper divisors (376368958).

641013602 is a wasteful number, since it uses less digits than its factorization.

641013602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87617.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 641013602 is about 25318.2464242688. The cubic root of 641013602 is about 862.2285817397.

Adding to 641013602 its reverse (206310146), we get a palindrome (847323748).

The spelling of 641013602 in words is "six hundred forty-one million, thirteen thousand, six hundred two".