3965438109734 has 4 divisors (see below), whose sum is σ = 5948157164604. Its totient is φ = 1982719054866.

The previous prime is 3965438109713. The next prime is 3965438109767. The reversal of 3965438109734 is 4379018345693.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991359527432 + ... + 991359527435.

It is an arithmetic number, because the mean of its divisors is an integer number (1487039291151).

Almost surely, 2^{3965438109734} is an apocalyptic number.

3965438109734 is a deficient number, since it is larger than the sum of its proper divisors (1982719054870).

3965438109734 is a wasteful number, since it uses less digits than its factorization.

3965438109734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982719054869.

The product of its (nonzero) digits is 58786560, while the sum is 62.

The spelling of 3965438109734 in words is "three trillion, nine hundred sixty-five billion, four hundred thirty-eight million, one hundred nine thousand, seven hundred thirty-four".