840963463229 has 4 divisors (see below), whose sum is σ = 840968397984. Its totient is φ = 840958528476.

The previous prime is 840963463177. The next prime is 840963463411. The reversal of 840963463229 is 922364369048.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 840963463229 - 2¹⁶ = 840963397693 is a prime.

It is a super-2 number, since 2×840963463229² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840963463129) 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, 2202257 + ... + 2555750.

It is an arithmetic number, because the mean of its divisors is an integer number (210242099496).

Almost surely, 2^840963463229 is an apocalyptic number.

It is an amenable number.

840963463229 is a deficient number, since it is larger than the sum of its proper divisors (4934755).

840963463229 is a wasteful number, since it uses less digits than its factorization.

840963463229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934754.

The product of its (nonzero) digits is 13436928, while the sum is 56.

The spelling of 840963463229 in words is "eight hundred forty billion, nine hundred sixty-three million, four hundred sixty-three thousand, two hundred twenty-nine".