5400192649 has 2 divisors, whose sum is σ = 5400192650. Its totient is φ = 5400192648.

The previous prime is 5400192643. The next prime is 5400192671. The reversal of 5400192649 is 9462910045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5306102649 + 94090000 = 72843^2 + 9700^2 .

It is a cyclic number.

It is not a de Polignac number, because 5400192649 - 2³ = 5400192641 is a prime.

It is not a weakly prime, because it can be changed into another prime (5400192641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700096324 + 2700096325.

It is an arithmetic number, because the mean of its divisors is an integer number (2700096325).

Almost surely, 2^5400192649 is an apocalyptic number.

It is an amenable number.

5400192649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5400192649 is an equidigital number, since it uses as much as digits as its factorization.

5400192649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 5400192649 is about 73486.0030822197. The cubic root of 5400192649 is about 1754.4315059794.

The spelling of 5400192649 in words is "five billion, four hundred million, one hundred ninety-two thousand, six hundred forty-nine".