140419667250409 has 2 divisors, whose sum is σ = 140419667250410. Its totient is φ = 140419667250408.

The previous prime is 140419667250403. The next prime is 140419667250419. The reversal of 140419667250409 is 904052766914041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109531860268009 + 30887806982400 = 10465747^2 + 5557680^2 .

It is an emirp because it is prime and its reverse (904052766914041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140419667250409 - 2⁵ = 140419667250377 is a prime.

It is not a weakly prime, because it can be changed into another prime (140419667250403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70209833625204 + 70209833625205.

It is an arithmetic number, because the mean of its divisors is an integer number (70209833625205).

Almost surely, 2^{140419667250409} is an apocalyptic number.

It is an amenable number.

140419667250409 is a deficient number, since it is larger than the sum of its proper divisors (1).

140419667250409 is an equidigital number, since it uses as much as digits as its factorization.

140419667250409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 140419667250409 in words is "one hundred forty trillion, four hundred nineteen billion, six hundred sixty-seven million, two hundred fifty thousand, four hundred nine".