690259593060 has 36 divisors (see below), whose sum is σ = 2093787432828. Its totient is φ = 184069224768.

The previous prime is 690259593031. The next prime is 690259593077. The reversal of 690259593060 is 60395952096.

It can be written as a sum of positive squares in 2 ways, for example, as 225427443264 + 464832149796 = 474792^2 + 681786^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×690259593060² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 690259592988 and 690259593006.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1917387579 + ... + 1917387938.

It is an arithmetic number, because the mean of its divisors is an integer number (58160762023).

Almost surely, 2^690259593060 is an apocalyptic number.

690259593060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

690259593060 is an abundant number, since it is smaller than the sum of its proper divisors (1403527839768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690259593060 is a wasteful number, since it uses less digits than its factorization.

690259593060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3834775532 (or 3834775527 counting only the distinct ones).

The product of its (nonzero) digits is 3936600, while the sum is 54.

The spelling of 690259593060 in words is "six hundred ninety billion, two hundred fifty-nine million, five hundred ninety-three thousand, sixty".