19452035401 has 2 divisors, whose sum is σ = 19452035402. Its totient is φ = 19452035400.

The previous prime is 19452035363. The next prime is 19452035497. The reversal of 19452035401 is 10453025491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14621646400 + 4830389001 = 120920^2 + 69501^2 .

It is an emirp because it is prime and its reverse (10453025491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19452035401 - 2¹³ = 19452027209 is a prime.

It is not a weakly prime, because it can be changed into another prime (19452095401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9726017700 + 9726017701.

It is an arithmetic number, because the mean of its divisors is an integer number (9726017701).

Almost surely, 2^19452035401 is an apocalyptic number.

It is an amenable number.

19452035401 is a deficient number, since it is larger than the sum of its proper divisors (1).

19452035401 is an equidigital number, since it uses as much as digits as its factorization.

19452035401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 19452035401 in words is "nineteen billion, four hundred fifty-two million, thirty-five thousand, four hundred one".