70118248784897 has 8 divisors (see below), whose sum is σ = 71495420715240. Its totient is φ = 68748421772160.

The previous prime is 70118248784893. The next prime is 70118248784911. The reversal of 70118248784897 is 79848784281107.

It is a Cunningham number, because it is equal to 8373664²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 447325542976 + 69670923241921 = 668824^2 + 8346911^2 .

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 70118248784897 - 2² = 70118248784893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70118248784893) 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, 1836210122 + ... + 1836248307.

It is an arithmetic number, because the mean of its divisors is an integer number (8936927589405).

Almost surely, 2^{70118248784897} is an apocalyptic number.

It is an amenable number.

70118248784897 is a deficient number, since it is larger than the sum of its proper divisors (1377171930343).

70118248784897 is a wasteful number, since it uses less digits than its factorization.

70118248784897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672458803.

The product of its (nonzero) digits is 404619264, while the sum is 74.

The spelling of 70118248784897 in words is "seventy trillion, one hundred eighteen billion, two hundred forty-eight million, seven hundred eighty-four thousand, eight hundred ninety-seven".