3624197542649 has 2 divisors, whose sum is σ = 3624197542650. Its totient is φ = 3624197542648.

The previous prime is 3624197542643. The next prime is 3624197542657. The reversal of 3624197542649 is 9462457914263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3538040617024 + 86156925625 = 1880968^2 + 293525^2 .

It is a cyclic number.

It is not a de Polignac number, because 3624197542649 - 2⁴ = 3624197542633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3624197542591 and 3624197542600.

It is not a weakly prime, because it can be changed into another prime (3624197542643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1812098771324 + 1812098771325.

It is an arithmetic number, because the mean of its divisors is an integer number (1812098771325).

Almost surely, 2^{3624197542649} is an apocalyptic number.

It is an amenable number.

3624197542649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3624197542649 is an equidigital number, since it uses as much as digits as its factorization.

3624197542649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78382080, while the sum is 62.

The spelling of 3624197542649 in words is "three trillion, six hundred twenty-four billion, one hundred ninety-seven million, five hundred forty-two thousand, six hundred forty-nine".