42949898943 has 32 divisors (see below), whose sum is σ = 68971184640. Its totient is φ = 23224371840.

The previous prime is 42949898909. The next prime is 42949899007. The reversal of 42949898943 is 34989894924.

It is not a de Polignac number, because 42949898943 - 2²⁰ = 42948850367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42949898443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288553 + ... + 411293.

It is an arithmetic number, because the mean of its divisors is an integer number (2155349520).

Almost surely, 2^42949898943 is an apocalyptic number.

42949898943 is a deficient number, since it is larger than the sum of its proper divisors (26021285697).

42949898943 is a wasteful number, since it uses less digits than its factorization.

42949898943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123647.

The product of its digits is 161243136, while the sum is 69.

The spelling of 42949898943 in words is "forty-two billion, nine hundred forty-nine million, eight hundred ninety-eight thousand, nine hundred forty-three".