43419137993 has 12 divisors (see below), whose sum is σ = 55099611792. Its totient is φ = 33833094120.

The previous prime is 43419137989. The next prime is 43419137999. The reversal of 43419137993 is 39973191434.

It is not a de Polignac number, because 43419137993 - 2² = 43419137989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43419137999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40276955 + ... + 40278032.

It is an arithmetic number, because the mean of its divisors is an integer number (4591634316).

Almost surely, 2^43419137993 is an apocalyptic number.

It is an amenable number.

43419137993 is a deficient number, since it is larger than the sum of its proper divisors (11680473799).

43419137993 is a wasteful number, since it uses less digits than its factorization.

43419137993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80555012 (or 80555005 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 53.

The spelling of 43419137993 in words is "forty-three billion, four hundred nineteen million, one hundred thirty-seven thousand, nine hundred ninety-three".