698616047 has 2 divisors, whose sum is σ = 698616048. Its totient is φ = 698616046.

The previous prime is 698616043. The next prime is 698616133. The reversal of 698616047 is 740616896.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 698616047 - 2² = 698616043 is a prime.

It is a super-2 number, since 2×698616047² = 976128762251812418, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 698615992 and 698616010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (698616043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349308023 + 349308024.

It is an arithmetic number, because the mean of its divisors is an integer number (349308024).

Almost surely, 2^698616047 is an apocalyptic number.

698616047 is a deficient number, since it is larger than the sum of its proper divisors (1).

698616047 is an equidigital number, since it uses as much as digits as its factorization.

698616047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 698616047 is about 26431.3459173005. The cubic root of 698616047 is about 887.3184645429.

The spelling of 698616047 in words is "six hundred ninety-eight million, six hundred sixteen thousand, forty-seven".