994207425554 has 16 divisors (see below), whose sum is σ = 1707743979648. Its totient is φ = 425241798432.

The previous prime is 994207425551. The next prime is 994207425613. The reversal of 994207425554 is 455524702499.

994207425554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 994207425554.

It is not an unprimeable number, because it can be changed into a prime (994207425551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70584227 + ... + 70598310.

It is an arithmetic number, because the mean of its divisors is an integer number (106733998728).

Almost surely, 2^994207425554 is an apocalyptic number.

994207425554 is a deficient number, since it is larger than the sum of its proper divisors (713536554094).

994207425554 is a wasteful number, since it uses less digits than its factorization.

994207425554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141183049.

The product of its (nonzero) digits is 18144000, while the sum is 56.

The spelling of 994207425554 in words is "nine hundred ninety-four billion, two hundred seven million, four hundred twenty-five thousand, five hundred fifty-four".