802841972042943 has 48 divisors (see below), whose sum is σ = 1326025999217920. Its totient is φ = 458524694754432.

The previous prime is 802841972042917. The next prime is 802841972042951. The reversal of 802841972042943 is 349240279148208.

It is a happy number.

802841972042943 is a `hidden beast` number, since 8 + 0 + 2 + 8 + 419 + 7 + 204 + 2 + 9 + 4 + 3 = 666.

It is not a de Polignac number, because 802841972042943 - 2⁶ = 802841972042879 is a prime.

It is a super-2 number, since 2×802841972042943² (a number of 31 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802841972042843) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7505737980 + ... + 7505844942.

Almost surely, 2^{802841972042943} is an apocalyptic number.

802841972042943 is a deficient number, since it is larger than the sum of its proper divisors (523184027174977).

802841972042943 is a wasteful number, since it uses less digits than its factorization.

802841972042943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168748 (or 168745 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 63.

The spelling of 802841972042943 in words is "eight hundred two trillion, eight hundred forty-one billion, nine hundred seventy-two million, forty-two thousand, nine hundred forty-three".