19748738803153 has 2 divisors, whose sum is σ = 19748738803154. Its totient is φ = 19748738803152.

The previous prime is 19748738803139. The next prime is 19748738803181. The reversal of 19748738803153 is 35130883784791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15097327838784 + 4651410964369 = 3885528^2 + 2156713^2 .

It is a cyclic number.

It is not a de Polignac number, because 19748738803153 - 2⁴¹ = 17549715547601 is a prime.

It is not a weakly prime, because it can be changed into another prime (19748738843153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9874369401576 + 9874369401577.

It is an arithmetic number, because the mean of its divisors is an integer number (9874369401577).

Almost surely, 2^{19748738803153} is an apocalyptic number.

It is an amenable number.

19748738803153 is a deficient number, since it is larger than the sum of its proper divisors (1).

19748738803153 is an equidigital number, since it uses as much as digits as its factorization.

19748738803153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121927680, while the sum is 67.

The spelling of 19748738803153 in words is "nineteen trillion, seven hundred forty-eight billion, seven hundred thirty-eight million, eight hundred three thousand, one hundred fifty-three".