690380076559 has 4 divisors (see below), whose sum is σ = 690398663904. Its totient is φ = 690361489216.

The previous prime is 690380076539. The next prime is 690380076577. The reversal of 690380076559 is 955670083096.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 690380076559 - 2¹¹ = 690380074511 is a prime.

It is a super-2 number, since 2×690380076559² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690380076539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9237847 + ... + 9312280.

It is an arithmetic number, because the mean of its divisors is an integer number (172599665976).

Almost surely, 2^690380076559 is an apocalyptic number.

690380076559 is a deficient number, since it is larger than the sum of its proper divisors (18587345).

690380076559 is a wasteful number, since it uses less digits than its factorization.

690380076559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18587344.

The product of its (nonzero) digits is 12247200, while the sum is 58.

The spelling of 690380076559 in words is "six hundred ninety billion, three hundred eighty million, seventy-six thousand, five hundred fifty-nine".