2049713638997 has 2 divisors, whose sum is σ = 2049713638998. Its totient is φ = 2049713638996.

The previous prime is 2049713638991. The next prime is 2049713639059. The reversal of 2049713638997 is 7998363179402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1208033999236 + 841679639761 = 1099106^2 + 917431^2 .

It is a cyclic number.

It is not a de Polignac number, because 2049713638997 - 2⁸ = 2049713638741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2049713638991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024856819498 + 1024856819499.

It is an arithmetic number, because the mean of its divisors is an integer number (1024856819499).

Almost surely, 2^{2049713638997} is an apocalyptic number.

It is an amenable number.

2049713638997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049713638997 is an equidigital number, since it uses as much as digits as its factorization.

2049713638997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123451776, while the sum is 68.

The spelling of 2049713638997 in words is "two trillion, forty-nine billion, seven hundred thirteen million, six hundred thirty-eight thousand, nine hundred ninety-seven".