1842245723497 has 4 divisors (see below), whose sum is σ = 1842328509840. Its totient is φ = 1842162937156.

The previous prime is 1842245723477. The next prime is 1842245723501. The reversal of 1842245723497 is 7943275422481.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 1842245723497 - 2³⁹ = 1292489909609 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1842245723477) 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, 41359783 + ... + 41404300.

It is an arithmetic number, because the mean of its divisors is an integer number (460582127460).

Almost surely, 2^{1842245723497} is an apocalyptic number.

It is an amenable number.

1842245723497 is a deficient number, since it is larger than the sum of its proper divisors (82786343).

1842245723497 is an equidigital number, since it uses as much as digits as its factorization.

1842245723497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82786342.

The product of its digits is 27095040, while the sum is 58.

The spelling of 1842245723497 in words is "one trillion, eight hundred forty-two billion, two hundred forty-five million, seven hundred twenty-three thousand, four hundred ninety-seven".