5402036641 has 2 divisors, whose sum is σ = 5402036642. Its totient is φ = 5402036640.

The previous prime is 5402036617. The next prime is 5402036677. The reversal of 5402036641 is 1466302045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3010826641 + 2391210000 = 54871^2 + 48900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5402036641 is a prime.

It is not a weakly prime, because it can be changed into another prime (5402036681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2701018320 + 2701018321.

It is an arithmetic number, because the mean of its divisors is an integer number (2701018321).

Almost surely, 2^5402036641 is an apocalyptic number.

It is an amenable number.

5402036641 is a deficient number, since it is larger than the sum of its proper divisors (1).

5402036641 is an equidigital number, since it uses as much as digits as its factorization.

5402036641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 5402036641 is about 73498.5485639002. The cubic root of 5402036641 is about 1754.6311772200.

Adding to 5402036641 its reverse (1466302045), we get a palindrome (6868338686).

The spelling of 5402036641 in words is "five billion, four hundred two million, thirty-six thousand, six hundred forty-one".