6998350258 has 4 divisors (see below), whose sum is σ = 10497525390. Its totient is φ = 3499175128.

The previous prime is 6998350213. The next prime is 6998350279. The reversal of 6998350258 is 8520538996.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6951057129 + 47293129 = 83373^2 + 6877^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6998350199 and 6998350208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1749587563 + ... + 1749587566.

Almost surely, 2^6998350258 is an apocalyptic number.

6998350258 is a deficient number, since it is larger than the sum of its proper divisors (3499175132).

6998350258 is a wasteful number, since it uses less digits than its factorization.

6998350258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499175131.

The product of its (nonzero) digits is 4665600, while the sum is 55.

The square root of 6998350258 is about 83656.1429782655. The cubic root of 6998350258 is about 1912.7808927311.

The spelling of 6998350258 in words is "six billion, nine hundred ninety-eight million, three hundred fifty thousand, two hundred fifty-eight".