408313425244261 has 4 divisors (see below), whose sum is σ = 421484826058624. Its totient is φ = 395142024429900.

The previous prime is 408313425244237. The next prime is 408313425244297. The reversal of 408313425244261 is 162442524313804.

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 408313425244261 - 2²¹ = 408313423147109 is a prime.

It is a super-2 number, since 2×408313425244261² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408313425244211) 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, 6585700407135 + ... + 6585700407196.

It is an arithmetic number, because the mean of its divisors is an integer number (105371206514656).

Almost surely, 2^{408313425244261} is an apocalyptic number.

It is an amenable number.

408313425244261 is a deficient number, since it is larger than the sum of its proper divisors (13171400814363).

408313425244261 is a wasteful number, since it uses less digits than its factorization.

408313425244261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13171400814362.

The product of its (nonzero) digits is 4423680, while the sum is 49.

The spelling of 408313425244261 in words is "four hundred eight trillion, three hundred thirteen billion, four hundred twenty-five million, two hundred forty-four thousand, two hundred sixty-one".