4951994680 has 16 divisors (see below), whose sum is σ = 11141988120. Its totient is φ = 1980797856.

The previous prime is 4951994629. The next prime is 4951994779. The reversal of 4951994680 is 864991594.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61899894 + ... + 61899973.

Almost surely, 2^4951994680 is an apocalyptic number.

4951994680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4951994680 is an abundant number, since it is smaller than the sum of its proper divisors (6189993440).

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

4951994680 is a wasteful number, since it uses less digits than its factorization.

4951994680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123799878 (or 123799874 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 55.

The square root of 4951994680 is about 70370.4105430685. The cubic root of 4951994680 is about 1704.4858091198.

The spelling of 4951994680 in words is "four billion, nine hundred fifty-one million, nine hundred ninety-four thousand, six hundred eighty".