3117643741 has 2 divisors, whose sum is σ = 3117643742. Its totient is φ = 3117643740.

The previous prime is 3117643723. The next prime is 3117643757. The reversal of 3117643741 is 1473467113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3065947641 + 51696100 = 55371^2 + 7190^2 .

It is a cyclic number.

It is not a de Polignac number, because 3117643741 - 2¹¹ = 3117641693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3117643741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3117643541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558821870 + 1558821871.

It is an arithmetic number, because the mean of its divisors is an integer number (1558821871).

Almost surely, 2^3117643741 is an apocalyptic number.

It is an amenable number.

3117643741 is a deficient number, since it is larger than the sum of its proper divisors (1).

3117643741 is an equidigital number, since it uses as much as digits as its factorization.

3117643741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 37.

The square root of 3117643741 is about 55835.8642898988. The cubic root of 3117643741 is about 1460.8607767342.

The spelling of 3117643741 in words is "three billion, one hundred seventeen million, six hundred forty-three thousand, seven hundred forty-one".