641353701 has 8 divisors (see below), whose sum is σ = 859191904. Its totient is φ = 425542320.

The previous prime is 641353673. The next prime is 641353709. The reversal of 641353701 is 107353146.

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

It is a de Polignac number, because none of the positive numbers 2^k-641353701 is a prime.

It is a super-2 number, since 2×641353701² = 822669139572794802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641353709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505966 + ... + 507231.

It is an arithmetic number, because the mean of its divisors is an integer number (107398988).

Almost surely, 2^641353701 is an apocalyptic number.

It is an amenable number.

641353701 is a deficient number, since it is larger than the sum of its proper divisors (217838203).

641353701 is a wasteful number, since it uses less digits than its factorization.

641353701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013411.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 641353701 is about 25324.9620137918. The cubic root of 641353701 is about 862.3810440438.

The spelling of 641353701 in words is "six hundred forty-one million, three hundred fifty-three thousand, seven hundred one".