5395940243 has 2 divisors, whose sum is σ = 5395940244. Its totient is φ = 5395940242.

The previous prime is 5395940237. The next prime is 5395940287. The reversal of 5395940243 is 3420495935.

It is an a-pointer prime, because the next prime (5395940287) can be obtained adding 5395940243 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5395940243 - 2²² = 5391745939 is a prime.

It is a super-2 number, since 2×5395940243² = 58232342212053798098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5395940194 and 5395940203.

It is not a weakly prime, because it can be changed into another prime (5365940243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2697970121 + 2697970122.

It is an arithmetic number, because the mean of its divisors is an integer number (2697970122).

Almost surely, 2^5395940243 is an apocalyptic number.

5395940243 is a deficient number, since it is larger than the sum of its proper divisors (1).

5395940243 is an equidigital number, since it uses as much as digits as its factorization.

5395940243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 44.

The square root of 5395940243 is about 73457.0639421424. The cubic root of 5395940243 is about 1753.9708733879.

The spelling of 5395940243 in words is "five billion, three hundred ninety-five million, nine hundred forty thousand, two hundred forty-three".