641401702701 has 16 divisors (see below), whose sum is σ = 856294684608. Its totient is φ = 427055241600.

The previous prime is 641401702699. The next prime is 641401702703. The reversal of 641401702701 is 107207104146.

It is an interprime number because it is at equal distance from previous prime (641401702699) and next prime (641401702703).

It is not a de Polignac number, because 641401702701 - 2¹ = 641401702699 is a prime.

It is a super-2 number, since 2×641401702701² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641401702703) 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, 8537835 + ... + 8612631.

It is an arithmetic number, because the mean of its divisors is an integer number (53518417788).

Almost surely, 2^641401702701 is an apocalyptic number.

It is an amenable number.

641401702701 is a deficient number, since it is larger than the sum of its proper divisors (214892981907).

641401702701 is a wasteful number, since it uses less digits than its factorization.

641401702701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78412.

The product of its (nonzero) digits is 9408, while the sum is 33.

Adding to 641401702701 its reverse (107207104146), we get a palindrome (748608806847).

The spelling of 641401702701 in words is "six hundred forty-one billion, four hundred one million, seven hundred two thousand, seven hundred one".