4621940685 has 48 divisors (see below), whose sum is σ = 8320469040. Its totient is φ = 2370600960.

The previous prime is 4621940651. The next prime is 4621940693. The reversal of 4621940685 is 5860491264.

It can be written as a sum of positive squares in 8 ways, for example, as 423289476 + 4198651209 = 20574^2 + 64797^2 .

It is not a de Polignac number, because 4621940685 - 2¹⁶ = 4621875149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4621940685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 328495 + ... + 342275.

It is an arithmetic number, because the mean of its divisors is an integer number (173343105).

Almost surely, 2^4621940685 is an apocalyptic number.

4621940685 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4621940685 is a deficient number, since it is larger than the sum of its proper divisors (3698528355).

4621940685 is a wasteful number, since it uses less digits than its factorization.

4621940685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14078 (or 14075 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 4621940685 is about 67984.8562916772. The cubic root of 4621940685 is about 1665.7434820436.

The spelling of 4621940685 in words is "four billion, six hundred twenty-one million, nine hundred forty thousand, six hundred eighty-five".