898689251923 has 2 divisors, whose sum is σ = 898689251924. Its totient is φ = 898689251922.

The previous prime is 898689251903. The next prime is 898689251959. The reversal of 898689251923 is 329152986898.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-898689251923 is a prime.

It is not a weakly prime, because it can be changed into another prime (898689251903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449344625961 + 449344625962.

It is an arithmetic number, because the mean of its divisors is an integer number (449344625962).

Almost surely, 2^898689251923 is an apocalyptic number.

898689251923 is a deficient number, since it is larger than the sum of its proper divisors (1).

898689251923 is an equidigital number, since it uses as much as digits as its factorization.

898689251923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134369280, while the sum is 70.

The spelling of 898689251923 in words is "eight hundred ninety-eight billion, six hundred eighty-nine million, two hundred fifty-one thousand, nine hundred twenty-three".