698254747 has 2 divisors, whose sum is σ = 698254748. Its totient is φ = 698254746.

The previous prime is 698254729. The next prime is 698254801. The reversal of 698254747 is 747452896.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 698254747 - 2⁷ = 698254619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 698254694 and 698254703.

It is not a weakly prime, because it can be changed into another prime (698204747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349127373 + 349127374.

It is an arithmetic number, because the mean of its divisors is an integer number (349127374).

Almost surely, 2^698254747 is an apocalyptic number.

698254747 is a deficient number, since it is larger than the sum of its proper divisors (1).

698254747 is an equidigital number, since it uses as much as digits as its factorization.

698254747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 52.

The square root of 698254747 is about 26424.5103455107. The cubic root of 698254747 is about 887.1654747168.

The spelling of 698254747 in words is "six hundred ninety-eight million, two hundred fifty-four thousand, seven hundred forty-seven".