4351981955 has 8 divisors (see below), whose sum is σ = 5225465952. Its totient is φ = 3479527168.

The previous prime is 4351981913. The next prime is 4351981957. The reversal of 4351981955 is 5591891534.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4351981955 - 2¹⁰ = 4351980931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4351981957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247967 + ... + 264936.

It is an arithmetic number, because the mean of its divisors is an integer number (653183244).

Almost surely, 2^4351981955 is an apocalyptic number.

4351981955 is a deficient number, since it is larger than the sum of its proper divisors (873483997).

4351981955 is a wasteful number, since it uses less digits than its factorization.

4351981955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514605.

The product of its digits is 972000, while the sum is 50.

The square root of 4351981955 is about 65969.5532423860. The cubic root of 4351981955 is about 1632.6597842238.

The spelling of 4351981955 in words is "four billion, three hundred fifty-one million, nine hundred eighty-one thousand, nine hundred fifty-five".