5402246909 has 2 divisors, whose sum is σ = 5402246910. Its totient is φ = 5402246908.

The previous prime is 5402246887. The next prime is 5402246921. The reversal of 5402246909 is 9096422045.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4177036900 + 1225210009 = 64630^2 + 35003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5402246909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5402236909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2701123454 + 2701123455.

It is an arithmetic number, because the mean of its divisors is an integer number (2701123455).

Almost surely, 2^5402246909 is an apocalyptic number.

It is an amenable number.

5402246909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5402246909 is an equidigital number, since it uses as much as digits as its factorization.

5402246909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 5402246909 is about 73499.9789727861. The cubic root of 5402246909 is about 1754.6539425846.

The spelling of 5402246909 in words is "five billion, four hundred two million, two hundred forty-six thousand, nine hundred nine".