1198045737417 has 4 divisors (see below), whose sum is σ = 1597394316560. Its totient is φ = 798697158276.

The previous prime is 1198045737403. The next prime is 1198045737457. The reversal of 1198045737417 is 7147375408911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1198045737417 - 2¹⁸ = 1198045475273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1198045737457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199674289567 + ... + 199674289572.

It is an arithmetic number, because the mean of its divisors is an integer number (399348579140).

Almost surely, 2^{1198045737417} is an apocalyptic number.

It is an amenable number.

1198045737417 is a deficient number, since it is larger than the sum of its proper divisors (399348579143).

1198045737417 is an equidigital number, since it uses as much as digits as its factorization.

1198045737417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399348579142.

The product of its (nonzero) digits is 5927040, while the sum is 57.

The spelling of 1198045737417 in words is "one trillion, one hundred ninety-eight billion, forty-five million, seven hundred thirty-seven thousand, four hundred seventeen".