690069071739 has 8 divisors (see below), whose sum is σ = 931738831360. Its totient is φ = 454222679976.

The previous prime is 690069071723. The next prime is 690069071753. The reversal of 690069071739 is 937170960096.

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

It is not a de Polignac number, because 690069071739 - 2⁴ = 690069071723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (690069071719) 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, 1455841687 + ... + 1455842160.

It is an arithmetic number, because the mean of its divisors is an integer number (116467353920).

Almost surely, 2^690069071739 is an apocalyptic number.

690069071739 is a deficient number, since it is larger than the sum of its proper divisors (241669759621).

690069071739 is a wasteful number, since it uses less digits than its factorization.

690069071739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911683929.

The product of its (nonzero) digits is 3857868, while the sum is 57.

The spelling of 690069071739 in words is "six hundred ninety billion, sixty-nine million, seventy-one thousand, seven hundred thirty-nine".