4194572491 has 16 divisors (see below), whose sum is σ = 4456581120. Its totient is φ = 3939369280.

The previous prime is 4194572489. The next prime is 4194572507. The reversal of 4194572491 is 1942754914.

It is a cyclic number.

It is not a de Polignac number, because 4194572491 - 2¹ = 4194572489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4194572461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1617606 + ... + 1620196.

It is an arithmetic number, because the mean of its divisors is an integer number (278536320).

Almost surely, 2^4194572491 is an apocalyptic number.

4194572491 is a deficient number, since it is larger than the sum of its proper divisors (262008629).

4194572491 is a wasteful number, since it uses less digits than its factorization.

4194572491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866.

The product of its digits is 362880, while the sum is 46.

The square root of 4194572491 is about 64765.5193061864. The cubic root of 4194572491 is about 1612.7333544942.

The spelling of 4194572491 in words is "four billion, one hundred ninety-four million, five hundred seventy-two thousand, four hundred ninety-one".