697310201952 has 576 divisors, whose sum is σ = 2556782807040. Its totient is φ = 183262528512.

The previous prime is 697310201927. The next prime is 697310201969. The reversal of 697310201952 is 259102013796.

It is a happy number.

It is a super-2 number, since 2×697310201952² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 697310201898 and 697310201907.

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 95 ways as a sum of consecutive naturals, for example, 168960913 + ... + 168965039.

It is an arithmetic number, because the mean of its divisors is an integer number (4438859040).

Almost surely, 2^697310201952 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 697310201952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278391403520).

697310201952 is an abundant number, since it is smaller than the sum of its proper divisors (1859472605088).

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

697310201952 is a wasteful number, since it uses less digits than its factorization.

697310201952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480 (or 4459 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 697310201952 in words is "six hundred ninety-seven billion, three hundred ten million, two hundred one thousand, nine hundred fifty-two".