1019411901097 has 4 divisors (see below), whose sum is σ = 1024586580996. Its totient is φ = 1014237221200.

The previous prime is 1019411901073. The next prime is 1019411901113. The reversal of 1019411901097 is 7901091149101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1007833280281 + 11578620816 = 1003909^2 + 107604^2 .

It is a cyclic number.

It is not a de Polignac number, because 1019411901097 - 2¹¹ = 1019411899049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1019411901017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2587339654 + ... + 2587340047.

It is an arithmetic number, because the mean of its divisors is an integer number (256146645249).

Almost surely, 2^{1019411901097} is an apocalyptic number.

It is an amenable number.

1019411901097 is a deficient number, since it is larger than the sum of its proper divisors (5174679899).

1019411901097 is an equidigital number, since it uses as much as digits as its factorization.

1019411901097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174679898.

The product of its (nonzero) digits is 20412, while the sum is 43.

The spelling of 1019411901097 in words is "one trillion, nineteen billion, four hundred eleven million, nine hundred one thousand, ninety-seven".