4057543043651 has 4 divisors (see below), whose sum is σ = 4057569971112. Its totient is φ = 4057516116192.

The previous prime is 4057543043641. The next prime is 4057543043657. The reversal of 4057543043651 is 1563403457504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4057543043651 - 2²² = 4057538849347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4057543043596 and 4057543043605.

It is not an unprimeable number, because it can be changed into a prime (4057543043657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13236425 + ... + 13539498.

It is an arithmetic number, because the mean of its divisors is an integer number (1014392492778).

Almost surely, 2^{4057543043651} is an apocalyptic number.

4057543043651 is a deficient number, since it is larger than the sum of its proper divisors (26927461).

4057543043651 is a wasteful number, since it uses less digits than its factorization.

4057543043651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26927460.

The product of its (nonzero) digits is 3024000, while the sum is 47.

The spelling of 4057543043651 in words is "four trillion, fifty-seven billion, five hundred forty-three million, forty-three thousand, six hundred fifty-one".