4027575491 has 4 divisors (see below), whose sum is σ = 4082747832. Its totient is φ = 3972403152.

The previous prime is 4027575463. The next prime is 4027575499. The reversal of 4027575491 is 1945757204.

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 4027575491 - 2¹⁸ = 4027313347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4027575499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27586061 + ... + 27586206.

It is an arithmetic number, because the mean of its divisors is an integer number (1020686958).

Almost surely, 2^4027575491 is an apocalyptic number.

4027575491 is a deficient number, since it is larger than the sum of its proper divisors (55172341).

4027575491 is an equidigital number, since it uses as much as digits as its factorization.

4027575491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55172340.

The product of its (nonzero) digits is 352800, while the sum is 44.

The square root of 4027575491 is about 63463.1821688765. The cubic root of 4027575491 is about 1591.0404817664.

The spelling of 4027575491 in words is "four billion, twenty-seven million, five hundred seventy-five thousand, four hundred ninety-one".