690527481189 has 32 divisors (see below), whose sum is σ = 1163799624960. Its totient is φ = 354390100992.

The previous prime is 690527481143. The next prime is 690527481229. The reversal of 690527481189 is 981184725096.

It is not a de Polignac number, because 690527481189 - 2¹³ = 690527472997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690527481689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34171044 + ... + 34191245.

It is an arithmetic number, because the mean of its divisors is an integer number (36368738280).

Almost surely, 2^690527481189 is an apocalyptic number.

It is an amenable number.

690527481189 is a deficient number, since it is larger than the sum of its proper divisors (473272143771).

690527481189 is a wasteful number, since it uses less digits than its factorization.

690527481189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68362349.

The product of its (nonzero) digits is 8709120, while the sum is 60.

The spelling of 690527481189 in words is "six hundred ninety billion, five hundred twenty-seven million, four hundred eighty-one thousand, one hundred eighty-nine".