690109701 has 8 divisors (see below), whose sum is σ = 929632704. Its totient is φ = 455329920.

The previous prime is 690109657. The next prime is 690109727. The reversal of 690109701 is 107901096.

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

It is not a de Polignac number, because 690109701 - 2¹¹ = 690107653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690109751) 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, 1185465 + ... + 1186046.

It is an arithmetic number, because the mean of its divisors is an integer number (116204088).

Almost surely, 2^690109701 is an apocalyptic number.

It is an amenable number.

690109701 is a deficient number, since it is larger than the sum of its proper divisors (239523003).

690109701 is a wasteful number, since it uses less digits than its factorization.

690109701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371611.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 690109701 is about 26269.9391129862. The cubic root of 690109701 is about 883.7024196632.

The spelling of 690109701 in words is "six hundred ninety million, one hundred nine thousand, seven hundred one".