4374340056581 has 4 divisors (see below), whose sum is σ = 4772007334464. Its totient is φ = 3976672778700.

The previous prime is 4374340056577. The next prime is 4374340056601. The reversal of 4374340056581 is 1856500434734.

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 4374340056581 - 2² = 4374340056577 is a prime.

It is a super-2 number, since 2×4374340056581² (a number of 26 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 (4374340056181) 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, 198833638925 + ... + 198833638946.

It is an arithmetic number, because the mean of its divisors is an integer number (1193001833616).

Almost surely, 2^{4374340056581} is an apocalyptic number.

It is an amenable number.

4374340056581 is a deficient number, since it is larger than the sum of its proper divisors (397667277883).

4374340056581 is a wasteful number, since it uses less digits than its factorization.

4374340056581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397667277882.

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 4374340056581 in words is "four trillion, three hundred seventy-four billion, three hundred forty million, fifty-six thousand, five hundred eighty-one".