4609542485421 has 12 divisors (see below), whose sum is σ = 6660772290172. Its totient is φ = 3071854051776.

The previous prime is 4609542485419. The next prime is 4609542485441. The reversal of 4609542485421 is 1245842459064.

4609542485421 is a `hidden beast` number, since 4 + 6 + 0 + 9 + 54 + 2 + 48 + 542 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3126128103396 + 1483414382025 = 1768086^2 + 1217955^2 .

It is not a de Polignac number, because 4609542485421 - 2¹ = 4609542485419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4609542485411) 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, 97831126 + ... + 97878231.

Almost surely, 2^{4609542485421} is an apocalyptic number.

It is an amenable number.

4609542485421 is a deficient number, since it is larger than the sum of its proper divisors (2051229804751).

4609542485421 is a wasteful number, since it uses less digits than its factorization.

4609542485421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195711980 (or 195711977 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 54.

The spelling of 4609542485421 in words is "four trillion, six hundred nine billion, five hundred forty-two million, four hundred eighty-five thousand, four hundred twenty-one".