2983940393869 has 2 divisors, whose sum is σ = 2983940393870. Its totient is φ = 2983940393868.

The previous prime is 2983940393801. The next prime is 2983940393921. The reversal of 2983940393869 is 9683930493892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1571919152644 + 1412021241225 = 1253762^2 + 1188285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2983940393869 is a prime.

It is a super-2 number, since 2×2983940393869² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2983940393669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1491970196934 + 1491970196935.

It is an arithmetic number, because the mean of its divisors is an integer number (1491970196935).

Almost surely, 2^{2983940393869} is an apocalyptic number.

It is an amenable number.

2983940393869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2983940393869 is an equidigital number, since it uses as much as digits as its factorization.

2983940393869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544195584, while the sum is 73.

The spelling of 2983940393869 in words is "two trillion, nine hundred eighty-three billion, nine hundred forty million, three hundred ninety-three thousand, eight hundred sixty-nine".