4591690449 has 4 divisors (see below), whose sum is σ = 6122253936. Its totient is φ = 3061126964.

The previous prime is 4591690447. The next prime is 4591690469. The reversal of 4591690449 is 9440961954.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4591690449 - 2¹ = 4591690447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4591690447) 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, 765281739 + ... + 765281744.

It is an arithmetic number, because the mean of its divisors is an integer number (1530563484).

Almost surely, 2^4591690449 is an apocalyptic number.

It is an amenable number.

4591690449 is a deficient number, since it is larger than the sum of its proper divisors (1530563487).

4591690449 is a wasteful number, since it uses less digits than its factorization.

4591690449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530563486.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 4591690449 is about 67762.0133186729. The cubic root of 4591690449 is about 1662.1014718058.

The spelling of 4591690449 in words is "four billion, five hundred ninety-one million, six hundred ninety thousand, four hundred forty-nine".