690019033 has 8 divisors (see below), whose sum is σ = 755203680. Its totient is φ = 625243680.

The previous prime is 690019013. The next prime is 690019037. The reversal of 690019033 is 330910096.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-690019033 is a prime.

It is a super-2 number, since 2×690019033² = 952252531804510178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 690018986 and 690019004.

It is not an unprimeable number, because it can be changed into a prime (690019037) 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, 98788 + ... + 105541.

It is an arithmetic number, because the mean of its divisors is an integer number (94400460).

Almost surely, 2^690019033 is an apocalyptic number.

It is an amenable number.

690019033 is a deficient number, since it is larger than the sum of its proper divisors (65184647).

690019033 is a wasteful number, since it uses less digits than its factorization.

690019033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204647.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 690019033 is about 26268.2133575925. The cubic root of 690019033 is about 883.6637171014.

The spelling of 690019033 in words is "six hundred ninety million, nineteen thousand, thirty-three".