690530540004 has 36 divisors (see below), whose sum is σ = 1745561987260. Its totient is φ = 230169695040.

The previous prime is 690530539967. The next prime is 690530540039. The reversal of 690530540004 is 400045035096.

It is a happy number.

690530540004 is a `hidden beast` number, since 69 + 0 + 53 + 0 + 540 + 0 + 0 + 4 = 666.

690530540004 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 304591402404 + 385939137600 = 551898^2 + 621240^2 .

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

It is a super-3 number, since 3×690530540004³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 948162 + ... + 1509990.

Almost surely, 2^690530540004 is an apocalyptic number.

It is an amenable number.

690530540004 is an abundant number, since it is smaller than the sum of its proper divisors (1055031447256).

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

690530540004 is a wasteful number, since it uses less digits than its factorization.

690530540004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595980 (or 595975 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 690530540004 in words is "six hundred ninety billion, five hundred thirty million, five hundred forty thousand, four".