4265100993649 has 2 divisors, whose sum is σ = 4265100993650. Its totient is φ = 4265100993648.

The previous prime is 4265100993641. The next prime is 4265100993661. The reversal of 4265100993649 is 9463990015624.

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., 4227053760400 + 38047233249 = 2055980^2 + 195057^2 .

It is a cyclic number.

It is not a de Polignac number, because 4265100993649 - 2³ = 4265100993641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4265100993593 and 4265100993602.

It is not a weakly prime, because it can be changed into another prime (4265100993641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2132550496824 + 2132550496825.

It is an arithmetic number, because the mean of its divisors is an integer number (2132550496825).

Almost surely, 2^{4265100993649} is an apocalyptic number.

It is an amenable number.

4265100993649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4265100993649 is an equidigital number, since it uses as much as digits as its factorization.

4265100993649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12597120, while the sum is 58.

The spelling of 4265100993649 in words is "four trillion, two hundred sixty-five billion, one hundred million, nine hundred ninety-three thousand, six hundred forty-nine".