699805401 has 4 divisors (see below), whose sum is σ = 933073872. Its totient is φ = 466536932.

The previous prime is 699805373. The next prime is 699805427. The reversal of 699805401 is 104508996.

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 699805401 - 2¹¹ = 699803353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (699805201) 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, 116634231 + ... + 116634236.

It is an arithmetic number, because the mean of its divisors is an integer number (233268468).

Almost surely, 2^699805401 is an apocalyptic number.

It is an amenable number.

699805401 is a deficient number, since it is larger than the sum of its proper divisors (233268471).

699805401 is a wasteful number, since it uses less digits than its factorization.

699805401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233268470.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 699805401 is about 26453.8352795960. The cubic root of 699805401 is about 887.8217154356.

The spelling of 699805401 in words is "six hundred ninety-nine million, eight hundred five thousand, four hundred one".