698864254361 has 16 divisors (see below), whose sum is σ = 860192022144. Its totient is φ = 552914498304.

The previous prime is 698864254313. The next prime is 698864254381. The reversal of 698864254361 is 163452468896.

It is a de Polignac number, because none of the positive numbers 2^k-698864254361 is a prime.

It is a super-2 number, since 2×698864254361² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 698864254294 and 698864254303.

It is not an unprimeable number, because it can be changed into a prime (698864254381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1361990 + ... + 1803536.

It is an arithmetic number, because the mean of its divisors is an integer number (53762001384).

Almost surely, 2^698864254361 is an apocalyptic number.

It is an amenable number.

698864254361 is a deficient number, since it is larger than the sum of its proper divisors (161327767783).

698864254361 is a wasteful number, since it uses less digits than its factorization.

698864254361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458960.

The product of its digits is 59719680, while the sum is 62.

The spelling of 698864254361 in words is "six hundred ninety-eight billion, eight hundred sixty-four million, two hundred fifty-four thousand, three hundred sixty-one".