690024049434 has 12 divisors (see below), whose sum is σ = 1495052107146. Its totient is φ = 230008016472.

The previous prime is 690024049433. The next prime is 690024049441. The reversal of 690024049434 is 434940420096.

690024049434 is a `hidden beast` number, since 6 + 90 + 0 + 2 + 40 + 494 + 34 = 666.

It can be written as a sum of positive squares in only one way, i.e., 428897939409 + 261126110025 = 654903^2 + 511005^2 .

It is a super-2 number, since 2×690024049434² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 690024049434.

It is not an unprimeable number, because it can be changed into a prime (690024049433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19167334689 + ... + 19167334724.

Almost surely, 2^690024049434 is an apocalyptic number.

690024049434 is an abundant number, since it is smaller than the sum of its proper divisors (805028057712).

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

690024049434 is a wasteful number, since it uses less digits than its factorization.

690024049434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38334669421 (or 38334669418 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 690024049434 in words is "six hundred ninety billion, twenty-four million, forty-nine thousand, four hundred thirty-four".