690469101 has 48 divisors (see below), whose sum is σ = 1203047040. Its totient is φ = 372781440.

The previous prime is 690469081. The next prime is 690469147. The reversal of 690469101 is 101964096.

690469101 is a `hidden beast` number, since 6 + 90 + 469 + 101 = 666.

It is not a de Polignac number, because 690469101 - 2⁶ = 690469037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690464101) 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 47 ways as a sum of consecutive naturals, for example, 733291 + ... + 734231.

It is an arithmetic number, because the mean of its divisors is an integer number (25063480).

Almost surely, 2^690469101 is an apocalyptic number.

It is an amenable number.

690469101 is a deficient number, since it is larger than the sum of its proper divisors (512577939).

690469101 is a wasteful number, since it uses less digits than its factorization.

690469101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 690469101 is about 26276.7787409340. The cubic root of 690469101 is about 883.8557998822.

The spelling of 690469101 in words is "six hundred ninety million, four hundred sixty-nine thousand, one hundred one".