464640726134349 has 12 divisors (see below), whose sum is σ = 677305034019900. Its totient is φ = 306918644785344.

The previous prime is 464640726134341. The next prime is 464640726134363. The reversal of 464640726134349 is 943431627046464.

464640726134349 is a `hidden beast` number, since 4 + 6 + 4 + 6 + 4 + 0 + 7 + 2 + 613 + 4 + 3 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 370260336622500 + 94380389511849 = 19242150^2 + 9714957^2 .

It is not a de Polignac number, because 464640726134349 - 2³ = 464640726134341 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464640726134341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236819940984 + ... + 236819942945.

It is an arithmetic number, because the mean of its divisors is an integer number (56442086168325).

Almost surely, 2^{464640726134349} is an apocalyptic number.

It is an amenable number.

464640726134349 is a deficient number, since it is larger than the sum of its proper divisors (212664307885551).

464640726134349 is a wasteful number, since it uses less digits than its factorization.

464640726134349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473639884044 (or 473639884041 counting only the distinct ones).

The product of its (nonzero) digits is 250822656, while the sum is 63.

The spelling of 464640726134349 in words is "four hundred sixty-four trillion, six hundred forty billion, seven hundred twenty-six million, one hundred thirty-four thousand, three hundred forty-nine".