697698142100 has 72 divisors (see below), whose sum is σ = 1524098805600. Its totient is φ = 277220465280.

The previous prime is 697698141989. The next prime is 697698142129. The reversal of 697698142100 is 1241896796.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33942626 + ... + 33963174.

Almost surely, 2^697698142100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697698142100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762049402800).

697698142100 is an abundant number, since it is smaller than the sum of its proper divisors (826400663500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697698142100 is a wasteful number, since it uses less digits than its factorization.

697698142100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22809 (or 22802 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 697698142100 in words is "six hundred ninety-seven billion, six hundred ninety-eight million, one hundred forty-two thousand, one hundred".