3445723837939 has 4 divisors (see below), whose sum is σ = 3556876219840. Its totient is φ = 3334571456040.

The previous prime is 3445723837937. The next prime is 3445723837943. The reversal of 3445723837939 is 9397383275443.

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 3445723837939 - 2¹ = 3445723837937 is a prime.

It is a super-3 number, since 3×3445723837939³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3445723837937) 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, 55576190904 + ... + 55576190965.

It is an arithmetic number, because the mean of its divisors is an integer number (889219054960).

Almost surely, 2^{3445723837939} is an apocalyptic number.

3445723837939 is a deficient number, since it is larger than the sum of its proper divisors (111152381901).

3445723837939 is a wasteful number, since it uses less digits than its factorization.

3445723837939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111152381900.

The product of its digits is 411505920, while the sum is 67.

The spelling of 3445723837939 in words is "three trillion, four hundred forty-five billion, seven hundred twenty-three million, eight hundred thirty-seven thousand, nine hundred thirty-nine".