489401692461 has 24 divisors (see below), whose sum is σ = 776285590080. Its totient is φ = 294642792000.

The previous prime is 489401692459. The next prime is 489401692463. The reversal of 489401692461 is 164296104984.

489401692461 is a `hidden beast` number, since 4 + 8 + 94 + 0 + 1 + 6 + 92 + 461 = 666.

It is an interprime number because it is at equal distance from previous prime (489401692459) and next prime (489401692463).

It is not a de Polignac number, because 489401692461 - 2¹ = 489401692459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489401692398 and 489401692407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489401692463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16354096 + ... + 16383993.

It is an arithmetic number, because the mean of its divisors is an integer number (32345232920).

Almost surely, 2^489401692461 is an apocalyptic number.

It is an amenable number.

489401692461 is a deficient number, since it is larger than the sum of its proper divisors (286883897619).

489401692461 is a wasteful number, since it uses less digits than its factorization.

489401692461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32738257 (or 32738254 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 489401692461 in words is "four hundred eighty-nine billion, four hundred one million, six hundred ninety-two thousand, four hundred sixty-one".