4978691510 has 64 divisors (see below), whose sum is σ = 9931384512. Its totient is φ = 1785079296.

The previous prime is 4978691503. The next prime is 4978691561. The reversal of 4978691510 is 151968794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4554524 + ... + 4555616.

It is an arithmetic number, because the mean of its divisors is an integer number (155177883).

Almost surely, 2^4978691510 is an apocalyptic number.

4978691510 is a deficient number, since it is larger than the sum of its proper divisors (4952693002).

4978691510 is a wasteful number, since it uses less digits than its factorization.

4978691510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097.

The product of its (nonzero) digits is 544320, while the sum is 50.

The square root of 4978691510 is about 70559.8434663797. The cubic root of 4978691510 is about 1707.5433540480.

The spelling of 4978691510 in words is "four billion, nine hundred seventy-eight million, six hundred ninety-one thousand, five hundred ten".