641002354 has 8 divisors (see below), whose sum is σ = 1012109040. Its totient is φ = 303632676.

The previous prime is 641002337. The next prime is 641002361. The reversal of 641002354 is 453200146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×641002354⁴ (a number of 36 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8434204 + ... + 8434279.

It is an arithmetic number, because the mean of its divisors is an integer number (126513630).

Almost surely, 2^641002354 is an apocalyptic number.

641002354 is a deficient number, since it is larger than the sum of its proper divisors (371106686).

641002354 is a wasteful number, since it uses less digits than its factorization.

641002354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16868504.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 641002354 is about 25318.0242910066. The cubic root of 641002354 is about 862.2235384750.

The spelling of 641002354 in words is "six hundred forty-one million, two thousand, three hundred fifty-four".