939161210749 has 4 divisors (see below), whose sum is σ = 948459836700. Its totient is φ = 929862584800.

The previous prime is 939161210633. The next prime is 939161210761. The reversal of 939161210749 is 947012161939.

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

It can be written as a sum of positive squares in 2 ways, for example, as 414630390724 + 524530820025 = 643918^2 + 724245^2 .

It is a cyclic number.

It is not a de Polignac number, because 939161210749 - 2²³ = 939152822141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 939161210696 and 939161210705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939161210849) 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, 4649312824 + ... + 4649313025.

It is an arithmetic number, because the mean of its divisors is an integer number (237114959175).

Almost surely, 2^939161210749 is an apocalyptic number.

It is an amenable number.

939161210749 is a deficient number, since it is larger than the sum of its proper divisors (9298625951).

939161210749 is a wasteful number, since it uses less digits than its factorization.

939161210749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9298625950.

The product of its (nonzero) digits is 734832, while the sum is 52.

The spelling of 939161210749 in words is "nine hundred thirty-nine billion, one hundred sixty-one million, two hundred ten thousand, seven hundred forty-nine".