4056243551 has 4 divisors (see below), whose sum is σ = 4057883592. Its totient is φ = 4054603512.

The previous prime is 4056243517. The next prime is 4056243553. The reversal of 4056243551 is 1553426504.

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 4056243551 - 2¹⁰ = 4056242527 is a prime.

It is a super-2 number, since 2×4056243551² = 32906223490058179202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4056243553) 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, 816305 + ... + 821258.

It is an arithmetic number, because the mean of its divisors is an integer number (1014470898).

Almost surely, 2^4056243551 is an apocalyptic number.

4056243551 is a deficient number, since it is larger than the sum of its proper divisors (1640041).

4056243551 is a wasteful number, since it uses less digits than its factorization.

4056243551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640040.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 4056243551 is about 63688.6453851862. The cubic root of 4056243551 is about 1594.8065397575.

The spelling of 4056243551 in words is "four billion, fifty-six million, two hundred forty-three thousand, five hundred fifty-one".