200670143497 has 4 divisors (see below), whose sum is σ = 200783071636. Its totient is φ = 200557215360.

The previous prime is 200670143491. The next prime is 200670143537. The reversal of 200670143497 is 794341076002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 122572810816 + 78097332681 = 350104^2 + 279459^2 .

It is a cyclic number.

It is not a de Polignac number, because 200670143497 - 2¹¹ = 200670141449 is a prime.

It is a super-2 number, since 2×200670143497² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200670143491) 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, 56461404 + ... + 56464957.

It is an arithmetic number, because the mean of its divisors is an integer number (50195767909).

Almost surely, 2^200670143497 is an apocalyptic number.

It is an amenable number.

200670143497 is a deficient number, since it is larger than the sum of its proper divisors (112928139).

200670143497 is a wasteful number, since it uses less digits than its factorization.

200670143497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112928138.

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 200670143497 in words is "two hundred billion, six hundred seventy million, one hundred forty-three thousand, four hundred ninety-seven".