698420333745 has 24 divisors (see below), whose sum is σ = 1212014532456. Its totient is φ = 372054140928.

The previous prime is 698420333713. The next prime is 698420333761. The reversal of 698420333745 is 547333024896.

698420333745 is a `hidden beast` number, since 69 + 8 + 4 + 203 + 3 + 374 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19158129 + 698401175616 = 4377^2 + 835704^2 .

It is not a de Polignac number, because 698420333745 - 2⁵ = 698420333713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 698420333691 and 698420333700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9059184 + ... + 9135953.

It is an arithmetic number, because the mean of its divisors is an integer number (50500605519).

Almost surely, 2^698420333745 is an apocalyptic number.

It is an amenable number.

698420333745 is a deficient number, since it is larger than the sum of its proper divisors (513594198711).

698420333745 is a wasteful number, since it uses less digits than its factorization.

698420333745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18196001 (or 18195998 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 54.

The spelling of 698420333745 in words is "six hundred ninety-eight billion, four hundred twenty million, three hundred thirty-three thousand, seven hundred forty-five".