690030438143 has 4 divisors (see below), whose sum is σ = 690138312360. Its totient is φ = 689922563928.

The previous prime is 690030438133. The next prime is 690030438169. The reversal of 690030438143 is 341834030096.

690030438143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 690030438143 - 2⁴ = 690030438127 is a prime.

It is a super-2 number, since 2×690030438143² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 690030438143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690030438133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53927513 + ... + 53940306.

It is an arithmetic number, because the mean of its divisors is an integer number (172534578090).

Almost surely, 2^690030438143 is an apocalyptic number.

690030438143 is a deficient number, since it is larger than the sum of its proper divisors (107874217).

690030438143 is a wasteful number, since it uses less digits than its factorization.

690030438143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107874216.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 690030438143 in words is "six hundred ninety billion, thirty million, four hundred thirty-eight thousand, one hundred forty-three".