641630453310 has 192 divisors, whose sum is σ = 2110927163904. Its totient is φ = 131335776000.

The previous prime is 641630453293. The next prime is 641630453327. The reversal of 641630453310 is 13354036146.

641630453310 is a `hidden beast` number, since 6 + 4 + 1 + 630 + 4 + 5 + 3 + 3 + 10 = 666.

It is an interprime number because it is at equal distance from previous prime (641630453293) and next prime (641630453327).

It is a super-2 number, since 2×641630453310² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 226641 + ... + 1155260.

It is an arithmetic number, because the mean of its divisors is an integer number (10994412312).

Almost surely, 2^641630453310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 641630453310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055463581952).

641630453310 is an abundant number, since it is smaller than the sum of its proper divisors (1469296710594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641630453310 is a wasteful number, since it uses less digits than its factorization.

641630453310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381999 (or 1381996 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 641630453310 its reverse (13354036146), we get a palindrome (654984489456).

The spelling of 641630453310 in words is "six hundred forty-one billion, six hundred thirty million, four hundred fifty-three thousand, three hundred ten".