1994695874902 has 4 divisors (see below), whose sum is σ = 2992043812356. Its totient is φ = 997347937450.

The previous prime is 1994695874893. The next prime is 1994695874909. The reversal of 1994695874902 is 2094785964991.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×1994695874902³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994695874909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498673968724 + ... + 498673968727.

It is an arithmetic number, because the mean of its divisors is an integer number (748010953089).

Almost surely, 2^{1994695874902} is an apocalyptic number.

1994695874902 is a deficient number, since it is larger than the sum of its proper divisors (997347937454).

1994695874902 is an equidigital number, since it uses as much as digits as its factorization.

1994695874902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997347937453.

The product of its (nonzero) digits is 352719360, while the sum is 73.

The spelling of 1994695874902 in words is "one trillion, nine hundred ninety-four billion, six hundred ninety-five million, eight hundred seventy-four thousand, nine hundred two".