46434536581 has 8 divisors (see below), whose sum is σ = 46796559264. Its totient is φ = 46073673360.

The previous prime is 46434536573. The next prime is 46434536609. The reversal of 46434536581 is 18563543464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 46434536581 - 2³ = 46434536573 is a prime.

It is a super-2 number, since 2×46434536581² (a number of 22 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 (46434536531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209371 + ... + 369736.

It is an arithmetic number, because the mean of its divisors is an integer number (5849569908).

Almost surely, 2^46434536581 is an apocalyptic number.

It is an amenable number.

46434536581 is a deficient number, since it is larger than the sum of its proper divisors (362022683).

46434536581 is a wasteful number, since it uses less digits than its factorization.

46434536581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579731.

The product of its digits is 4147200, while the sum is 49.

The spelling of 46434536581 in words is "forty-six billion, four hundred thirty-four million, five hundred thirty-six thousand, five hundred eighty-one".