5540451613 has 2 divisors, whose sum is σ = 5540451614. Its totient is φ = 5540451612.

The previous prime is 5540451599. The next prime is 5540451673. The reversal of 5540451613 is 3161540455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4529020804 + 1011430809 = 67298^2 + 31803^2 .

It is a cyclic number.

It is not a de Polignac number, because 5540451613 - 2⁹ = 5540451101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5540451673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2770225806 + 2770225807.

It is an arithmetic number, because the mean of its divisors is an integer number (2770225807).

Almost surely, 2^5540451613 is an apocalyptic number.

It is an amenable number.

5540451613 is a deficient number, since it is larger than the sum of its proper divisors (1).

5540451613 is an equidigital number, since it uses as much as digits as its factorization.

5540451613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 5540451613 is about 74434.2099642362. The cubic root of 5540451613 is about 1769.4911251650.

The spelling of 5540451613 in words is "five billion, five hundred forty million, four hundred fifty-one thousand, six hundred thirteen".