694410004125 has 24 divisors (see below), whose sum is σ = 1251789769464. Its totient is φ = 370352001600.

The previous prime is 694410004121. The next prime is 694410004157. The reversal of 694410004125 is 521400014496.

It can be written as a sum of positive squares in 4 ways, for example, as 1823204601 + 692586799524 = 42699^2 + 832218^2 .

It is not a de Polignac number, because 694410004125 - 2² = 694410004121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 694410004125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694410004121) 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, 308625544 + ... + 308627793.

It is an arithmetic number, because the mean of its divisors is an integer number (52157907061).

Almost surely, 2^694410004125 is an apocalyptic number.

It is an amenable number.

694410004125 is a deficient number, since it is larger than the sum of its proper divisors (557379765339).

694410004125 is a wasteful number, since it uses less digits than its factorization.

694410004125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617253358 (or 617253345 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 694410004125 in words is "six hundred ninety-four billion, four hundred ten million, four thousand, one hundred twenty-five".