1690007277443 has 4 divisors (see below), whose sum is σ = 1702165603320. Its totient is φ = 1677848951568.

The previous prime is 1690007277433. The next prime is 1690007277451. The reversal of 1690007277443 is 3447727000961.

It is a happy number.

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 1690007277443 - 2¹⁸ = 1690007015299 is a prime.

It is a super-2 number, since 2×1690007277443² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1690007277391 and 1690007277400.

It is not an unprimeable number, because it can be changed into a prime (1690007277433) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6079162730 + ... + 6079163007.

It is an arithmetic number, because the mean of its divisors is an integer number (425541400830).

Almost surely, 2^{1690007277443} is an apocalyptic number.

1690007277443 is a deficient number, since it is larger than the sum of its proper divisors (12158325877).

1690007277443 is a wasteful number, since it uses less digits than its factorization.

1690007277443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12158325876.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 1690007277443 in words is "one trillion, six hundred ninety billion, seven million, two hundred seventy-seven thousand, four hundred forty-three".