41297653621 has 4 divisors (see below), whose sum is σ = 47197318432. Its totient is φ = 35397988812.

The previous prime is 41297653619. The next prime is 41297653643. The reversal of 41297653621 is 12635679214.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41297653621 - 2¹ = 41297653619 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 (41297653651) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2949832395 + ... + 2949832408.

It is an arithmetic number, because the mean of its divisors is an integer number (11799329608).

Almost surely, 2^41297653621 is an apocalyptic number.

It is an amenable number.

41297653621 is a deficient number, since it is larger than the sum of its proper divisors (5899664811).

41297653621 is an equidigital number, since it uses as much as digits as its factorization.

41297653621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5899664810.

The product of its digits is 544320, while the sum is 46.

The spelling of 41297653621 in words is "forty-one billion, two hundred ninety-seven million, six hundred fifty-three thousand, six hundred twenty-one".