699922409472 has 288 divisors, whose sum is σ = 2374923227040. Its totient is φ = 195781754880.

The previous prime is 699922409467. The next prime is 699922409477. The reversal of 699922409472 is 274904229996.

It is an interprime number because it is at equal distance from previous prime (699922409467) and next prime (699922409477).

It is a tau number, because it is divible by the number of its divisors (288).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (699922409477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2503003 + ... + 2768549.

It is an arithmetic number, because the mean of its divisors is an integer number (8246261205).

Almost surely, 2^699922409472 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 699922409472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1187461613520).

699922409472 is an abundant number, since it is smaller than the sum of its proper divisors (1675000817568).

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

699922409472 is a wasteful number, since it uses less digits than its factorization.

699922409472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265599 (or 265576 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 63.

The spelling of 699922409472 in words is "six hundred ninety-nine billion, nine hundred twenty-two million, four hundred nine thousand, four hundred seventy-two".