641365101451 has 8 divisors (see below), whose sum is σ = 672907649408. Its totient is φ = 610500888000.

The previous prime is 641365101413. The next prime is 641365101469. The reversal of 641365101451 is 154101563146.

It is a happy number.

641365101451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 641365101451 - 2²⁵ = 641331547019 is a prime.

It is a super-2 number, since 2×641365101451² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 641365101451.

It is not an unprimeable number, because it can be changed into a prime (641365101551) 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, 169581690 + ... + 169585471.

It is an arithmetic number, because the mean of its divisors is an integer number (84113456176).

Almost surely, 2^641365101451 is an apocalyptic number.

641365101451 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

641365101451 is a deficient number, since it is larger than the sum of its proper divisors (31542547957).

641365101451 is a wasteful number, since it uses less digits than its factorization.

641365101451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339167253.

The product of its (nonzero) digits is 43200, while the sum is 37.

Adding to 641365101451 its reverse (154101563146), we get a palindrome (795466664597).

The spelling of 641365101451 in words is "six hundred forty-one billion, three hundred sixty-five million, one hundred one thousand, four hundred fifty-one".