2478235373297 has 8 divisors (see below), whose sum is σ = 2506143541320. Its totient is φ = 2450328601600.

The previous prime is 2478235373291. The next prime is 2478235373303. The reversal of 2478235373297 is 7923735328742.

It is an interprime number because it is at equal distance from previous prime (2478235373291) and next prime (2478235373303).

It can be written as a sum of positive squares in 4 ways, for example, as 89111802256 + 2389123571041 = 298516^2 + 1545679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2478235373297 - 2⁶ = 2478235373233 is a prime.

It is a super-2 number, since 2×2478235373297² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2478235373291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3452297 + ... + 4107897.

It is an arithmetic number, because the mean of its divisors is an integer number (313267942665).

Almost surely, 2^{2478235373297} is an apocalyptic number.

It is an amenable number.

2478235373297 is a deficient number, since it is larger than the sum of its proper divisors (27908168023).

2478235373297 is an equidigital number, since it uses as much as digits as its factorization.

2478235373297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698163.

The product of its digits is 106686720, while the sum is 62.

The spelling of 2478235373297 in words is "two trillion, four hundred seventy-eight billion, two hundred thirty-five million, three hundred seventy-three thousand, two hundred ninety-seven".