70298531305 has 4 divisors (see below), whose sum is σ = 84358237572. Its totient is φ = 56238825040.

The previous prime is 70298531297. The next prime is 70298531353. The reversal of 70298531305 is 50313589207.

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 25003199376 + 45295331929 = 158124^2 + 212827^2 .

It is not a de Polignac number, because 70298531305 - 2³ = 70298531297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7029853126 + ... + 7029853135.

It is an arithmetic number, because the mean of its divisors is an integer number (21089559393).

Almost surely, 2^70298531305 is an apocalyptic number.

It is an amenable number.

70298531305 is a deficient number, since it is larger than the sum of its proper divisors (14059706267).

70298531305 is a wasteful number, since it uses less digits than its factorization.

70298531305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14059706266.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 70298531305 in words is "seventy billion, two hundred ninety-eight million, five hundred thirty-one thousand, three hundred five".