4721962986 has 64 divisors (see below), whose sum is σ = 11316412800. Its totient is φ = 1450856448.

The previous prime is 4721962981. The next prime is 4721963017. The reversal of 4721962986 is 6892691274.

4721962986 is a `hidden beast` number, since 4 + 7 + 2 + 1 + 9 + 629 + 8 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4721962981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 535465 + ... + 544211.

It is an arithmetic number, because the mean of its divisors is an integer number (176818950).

Almost surely, 2^4721962986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4721962986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5658206400).

4721962986 is an abundant number, since it is smaller than the sum of its proper divisors (6594449814).

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

4721962986 is a wasteful number, since it uses less digits than its factorization.

4721962986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9540 (or 9534 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 4721962986 is about 68716.5408471643. The cubic root of 4721962986 is about 1677.6738150107.

The spelling of 4721962986 in words is "four billion, seven hundred twenty-one million, nine hundred sixty-two thousand, nine hundred eighty-six".