690001913 has 8 divisors (see below), whose sum is σ = 700131168. Its totient is φ = 679891104.

The previous prime is 690001889. The next prime is 690001919. The reversal of 690001913 is 319100096.

690001913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 690001913 - 2⁶ = 690001849 is a prime.

It is a super-2 number, since 2×690001913² = 952205279887319138, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (690001919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82670 + ... + 90632.

It is an arithmetic number, because the mean of its divisors is an integer number (87516396).

Almost surely, 2^690001913 is an apocalyptic number.

It is an amenable number.

690001913 is a deficient number, since it is larger than the sum of its proper divisors (10129255).

690001913 is a wasteful number, since it uses less digits than its factorization.

690001913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9223.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 690001913 is about 26267.8874864348. The cubic root of 690001913 is about 883.6564088740.

The spelling of 690001913 in words is "six hundred ninety million, one thousand, nine hundred thirteen".