39896469893 has 4 divisors (see below), whose sum is σ = 45595965600. Its totient is φ = 34196974188.

The previous prime is 39896469817. The next prime is 39896469913.

39896469893 is nontrivially palindromic in base 10.

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 39896469893 - 2²² = 39892275589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39896469893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39896465893) 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, 2849747843 + ... + 2849747856.

It is an arithmetic number, because the mean of its divisors is an integer number (11398991400).

Almost surely, 2^39896469893 is an apocalyptic number.

It is an amenable number.

39896469893 is a deficient number, since it is larger than the sum of its proper divisors (5699495707).

39896469893 is an equidigital number, since it uses as much as digits as its factorization.

39896469893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5699495706.

The product of its digits is 544195584, while the sum is 74.

The spelling of 39896469893 in words is "thirty-nine billion, eight hundred ninety-six million, four hundred sixty-nine thousand, eight hundred ninety-three".