994929721494 has 32 divisors (see below), whose sum is σ = 2076439587840. Its totient is φ = 317214112512.

The previous prime is 994929721481. The next prime is 994929721531. The reversal of 994929721494 is 494127929499.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5283814 + ... + 5468870.

It is an arithmetic number, because the mean of its divisors is an integer number (64888737120).

Almost surely, 2^994929721494 is an apocalyptic number.

994929721494 is an abundant number, since it is smaller than the sum of its proper divisors (1081509866346).

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

994929721494 is a wasteful number, since it uses less digits than its factorization.

994929721494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224044.

The product of its digits is 105815808, while the sum is 69.

The spelling of 994929721494 in words is "nine hundred ninety-four billion, nine hundred twenty-nine million, seven hundred twenty-one thousand, four hundred ninety-four".