4543638651475 has 72 divisors (see below), whose sum is σ = 7063468337664. Its totient is φ = 2816710416000.

The previous prime is 4543638651389. The next prime is 4543638651509. The reversal of 4543638651475 is 5741568363454.

It is not a de Polignac number, because 4543638651475 - 2¹⁵ = 4543638618707 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 63028902 + ... + 63100948.

It is an arithmetic number, because the mean of its divisors is an integer number (98103726912).

Almost surely, 2^{4543638651475} is an apocalyptic number.

4543638651475 is a deficient number, since it is larger than the sum of its proper divisors (2519829686189).

4543638651475 is a wasteful number, since it uses less digits than its factorization.

4543638651475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72437 (or 72251 counting only the distinct ones).

The product of its digits is 145152000, while the sum is 61.

The spelling of 4543638651475 in words is "four trillion, five hundred forty-three billion, six hundred thirty-eight million, six hundred fifty-one thousand, four hundred seventy-five".