1448019781753 has 2 divisors, whose sum is σ = 1448019781754. Its totient is φ = 1448019781752.

The previous prime is 1448019781711. The next prime is 1448019781763. The reversal of 1448019781753 is 3571879108441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1416487966569 + 31531815184 = 1190163^2 + 177572^2 .

It is a cyclic number.

It is not a de Polignac number, because 1448019781753 - 2¹³ = 1448019773561 is a prime.

It is a super-2 number, since 2×1448019781753² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1448019781763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724009890876 + 724009890877.

It is an arithmetic number, because the mean of its divisors is an integer number (724009890877).

Almost surely, 2^{1448019781753} is an apocalyptic number.

It is an amenable number.

1448019781753 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448019781753 is an equidigital number, since it uses as much as digits as its factorization.

1448019781753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6773760, while the sum is 58.

The spelling of 1448019781753 in words is "one trillion, four hundred forty-eight billion, nineteen million, seven hundred eighty-one thousand, seven hundred fifty-three".