698061054720 has 288 divisors, whose sum is σ = 2338600771584. Its totient is φ = 177119641600.

The previous prime is 698061054701. The next prime is 698061054739. The reversal of 698061054720 is 27450160896.

It is an interprime number because it is at equal distance from previous prime (698061054701) and next prime (698061054739).

It is a super-2 number, since 2×698061054720² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 698061054720.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16848430 + ... + 16889810.

It is an arithmetic number, because the mean of its divisors is an integer number (8120141568).

Almost surely, 2^698061054720 is an apocalyptic number.

698061054720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698061054720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1169300385792).

698061054720 is an abundant number, since it is smaller than the sum of its proper divisors (1640539716864).

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

698061054720 is a wasteful number, since it uses less digits than its factorization.

698061054720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41619 (or 41605 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 698061054720 in words is "six hundred ninety-eight billion, sixty-one million, fifty-four thousand, seven hundred twenty".