690544807084 has 24 divisors (see below), whose sum is σ = 1319676196608. Its totient is φ = 313559388240.

The previous prime is 690544807081. The next prime is 690544807087. The reversal of 690544807084 is 480708445096.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (690544807081) and next prime (690544807087).

It is not an unprimeable number, because it can be changed into a prime (690544807081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8072344 + ... + 8157439.

It is an arithmetic number, because the mean of its divisors is an integer number (54986508192).

Almost surely, 2^690544807084 is an apocalyptic number.

It is an amenable number.

690544807084 is a deficient number, since it is larger than the sum of its proper divisors (629131389524).

690544807084 is a wasteful number, since it uses less digits than its factorization.

690544807084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16230765 (or 16230763 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 690544807084 in words is "six hundred ninety billion, five hundred forty-four million, eight hundred seven thousand, eighty-four".