41964194387 has 4 divisors (see below), whose sum is σ = 42181625640. Its totient is φ = 41746763136.

The previous prime is 41964194383. The next prime is 41964194443. The reversal of 41964194387 is 78349146914.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 41964194387 - 2² = 41964194383 is a prime.

It is a super-2 number, since 2×41964194387² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41964194383) 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, 108715337 + ... + 108715722.

It is an arithmetic number, because the mean of its divisors is an integer number (10545406410).

Almost surely, 2^41964194387 is an apocalyptic number.

41964194387 is a deficient number, since it is larger than the sum of its proper divisors (217431253).

41964194387 is a wasteful number, since it uses less digits than its factorization.

41964194387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217431252.

The product of its digits is 5225472, while the sum is 56.

The spelling of 41964194387 in words is "forty-one billion, nine hundred sixty-four million, one hundred ninety-four thousand, three hundred eighty-seven".