641146422245 has 16 divisors (see below), whose sum is σ = 879307062528. Its totient is φ = 439632990720.

The previous prime is 641146422221. The next prime is 641146422253. The reversal of 641146422245 is 542224641146.

It is not a de Polignac number, because 641146422245 - 2¹⁰ = 641146421221 is a prime.

It is a super-2 number, since 2×641146422245² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1498805 + ... + 1878485.

It is an arithmetic number, because the mean of its divisors is an integer number (54956691408).

Almost surely, 2^641146422245 is an apocalyptic number.

It is an amenable number.

641146422245 is a deficient number, since it is larger than the sum of its proper divisors (238160640283).

641146422245 is a wasteful number, since it uses less digits than its factorization.

641146422245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427940.

The product of its digits is 368640, while the sum is 41.

The spelling of 641146422245 in words is "six hundred forty-one billion, one hundred forty-six million, four hundred twenty-two thousand, two hundred forty-five".