698157394328 has 8 divisors (see below), whose sum is σ = 1309045114380. Its totient is φ = 349078697160.

The previous prime is 698157394307. The next prime is 698157394331. The reversal of 698157394328 is 823493751896.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×698157394328³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43634837138 + ... + 43634837153.

Almost surely, 2^698157394328 is an apocalyptic number.

It is an amenable number.

698157394328 is a deficient number, since it is larger than the sum of its proper divisors (610887720052).

698157394328 is a wasteful number, since it uses less digits than its factorization.

698157394328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87269674297 (or 87269674293 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 65.

The spelling of 698157394328 in words is "six hundred ninety-eight billion, one hundred fifty-seven million, three hundred ninety-four thousand, three hundred twenty-eight".