622681687375541 has 4 divisors (see below), whose sum is σ = 622684272634284. Its totient is φ = 622679102116800.

The previous prime is 622681687375529. The next prime is 622681687375547. The reversal of 622681687375541 is 145573786186226.

622681687375541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 206332108990225 + 416349578385316 = 14364265^2 + 20404646^2 .

It is a cyclic number.

It is not a de Polignac number, because 622681687375541 - 2¹⁴ = 622681687359157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622681687375547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292268050 + ... + 1292749811.

It is an arithmetic number, because the mean of its divisors is an integer number (155671068158571).

Almost surely, 2^{622681687375541} is an apocalyptic number.

It is an amenable number.

622681687375541 is a deficient number, since it is larger than the sum of its proper divisors (2585258743).

622681687375541 is a wasteful number, since it uses less digits than its factorization.

622681687375541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585258742.

The product of its digits is 812851200, while the sum is 71.

The spelling of 622681687375541 in words is "six hundred twenty-two trillion, six hundred eighty-one billion, six hundred eighty-seven million, three hundred seventy-five thousand, five hundred forty-one".