605413750821 has 8 divisors (see below), whose sum is σ = 880601819424. Its totient is φ = 366917424720.

The previous prime is 605413750819. The next prime is 605413750849. The reversal of 605413750821 is 128057314506.

It is a happy number.

605413750821 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 605413750821 - 2¹ = 605413750819 is a prime.

It is a super-3 number, since 3×605413750821³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605413750871) 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, 9172935586 + ... + 9172935651.

It is an arithmetic number, because the mean of its divisors is an integer number (110075227428).

Almost surely, 2^605413750821 is an apocalyptic number.

It is an amenable number.

605413750821 is a deficient number, since it is larger than the sum of its proper divisors (275188068603).

605413750821 is a wasteful number, since it uses less digits than its factorization.

605413750821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18345871251.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 605413750821 in words is "six hundred five billion, four hundred thirteen million, seven hundred fifty thousand, eight hundred twenty-one".