4781481902 has 4 divisors (see below), whose sum is σ = 7172222856. Its totient is φ = 2390740950.

The previous prime is 4781481899. The next prime is 4781481907. The reversal of 4781481902 is 2091841874.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4781481907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1195370474 + ... + 1195370477.

It is an arithmetic number, because the mean of its divisors is an integer number (1793055714).

Almost surely, 2^4781481902 is an apocalyptic number.

4781481902 is a deficient number, since it is larger than the sum of its proper divisors (2390740954).

4781481902 is a wasteful number, since it uses less digits than its factorization.

4781481902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390740953.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 4781481902 is about 69148.2602962649. The cubic root of 4781481902 is about 1684.6932615311.

The spelling of 4781481902 in words is "four billion, seven hundred eighty-one million, four hundred eighty-one thousand, nine hundred two".