698609729716 has 6 divisors (see below), whose sum is σ = 1222567027010. Its totient is φ = 349304864856.

The previous prime is 698609729689. The next prime is 698609729729. The reversal of 698609729716 is 617927906896.

It can be written as a sum of positive squares in only one way, i.e., 609889150116 + 88720579600 = 780954^2 + 297860^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87326216211 + ... + 87326216218.

Almost surely, 2^698609729716 is an apocalyptic number.

It is an amenable number.

698609729716 is a deficient number, since it is larger than the sum of its proper divisors (523957297294).

698609729716 is a wasteful number, since it uses less digits than its factorization.

698609729716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174652432433 (or 174652432431 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 70.

The spelling of 698609729716 in words is "six hundred ninety-eight billion, six hundred nine million, seven hundred twenty-nine thousand, seven hundred sixteen".