700491811 has 4 divisors (see below), whose sum is σ = 702256672. Its totient is φ = 698726952.

The previous prime is 700491787. The next prime is 700491877. The reversal of 700491811 is 118194007.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-700491811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (700492811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881835 + ... + 882628.

It is an arithmetic number, because the mean of its divisors is an integer number (175564168).

Almost surely, 2^700491811 is an apocalyptic number.

700491811 is a deficient number, since it is larger than the sum of its proper divisors (1764861).

700491811 is a wasteful number, since it uses less digits than its factorization.

700491811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764860.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 700491811 is about 26466.8058329675. The cubic root of 700491811 is about 888.1118963741. Note that the first 3 decimals are identical.

The spelling of 700491811 in words is "seven hundred million, four hundred ninety-one thousand, eight hundred eleven".