3950502444649 has 2 divisors, whose sum is σ = 3950502444650. Its totient is φ = 3950502444648.

The previous prime is 3950502444541. The next prime is 3950502444653. The reversal of 3950502444649 is 9464442050593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3420872193600 + 529630251049 = 1849560^2 + 727757^2 .

It is a cyclic number.

It is not a de Polignac number, because 3950502444649 - 2³⁷ = 3813063491177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3950502444649.

It is not a weakly prime, because it can be changed into another prime (3950502744649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1975251222324 + 1975251222325.

It is an arithmetic number, because the mean of its divisors is an integer number (1975251222325).

Almost surely, 2^{3950502444649} is an apocalyptic number.

It is an amenable number.

3950502444649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3950502444649 is an equidigital number, since it uses as much as digits as its factorization.

3950502444649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18662400, while the sum is 55.

The spelling of 3950502444649 in words is "three trillion, nine hundred fifty billion, five hundred two million, four hundred forty-four thousand, six hundred forty-nine".