698487566842 has 32 divisors (see below), whose sum is σ = 1187776437120. Its totient is φ = 305394909120.

The previous prime is 698487566807. The next prime is 698487566849. The reversal of 698487566842 is 248665784896.

It is not an unprimeable number, because it can be changed into a prime (698487566849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14802867 + ... + 14849977.

It is an arithmetic number, because the mean of its divisors is an integer number (37118013660).

Almost surely, 2^698487566842 is an apocalyptic number.

698487566842 is a deficient number, since it is larger than the sum of its proper divisors (489288870278).

698487566842 is a wasteful number, since it uses less digits than its factorization.

698487566842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77158.

The product of its digits is 1114767360, while the sum is 73.

The spelling of 698487566842 in words is "six hundred ninety-eight billion, four hundred eighty-seven million, five hundred sixty-six thousand, eight hundred forty-two".