694142255104 has 135 divisors (see below), whose sum is σ = 1456370896323. Its totient is φ = 330808000512.

The previous prime is 694142255089. The next prime is 694142255129. The reversal of 694142255104 is 401552241496.

The square root of 694142255104 is 833152.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×694142255104² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2452799347 + ... + 2452799629.

Almost surely, 2^694142255104 is an apocalyptic number.

694142255104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

694142255104 is the 833152-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 694142255104

694142255104 is an abundant number, since it is smaller than the sum of its proper divisors (762228641219).

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

694142255104 is an frugal number, since it uses more digits than its factorization.

694142255104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 694142255104 in words is "six hundred ninety-four billion, one hundred forty-two million, two hundred fifty-five thousand, one hundred four".