4136781455 has 4 divisors (see below), whose sum is σ = 4964137752. Its totient is φ = 3309425160.

The previous prime is 4136781443. The next prime is 4136781487. The reversal of 4136781455 is 5541876314.

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

It is not a de Polignac number, because 4136781455 - 2⁸ = 4136781199 is a prime.

It is a super-2 number, since 2×4136781455² = 34225921612863834050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413678141 + ... + 413678150.

It is an arithmetic number, because the mean of its divisors is an integer number (1241034438).

Almost surely, 2^4136781455 is an apocalyptic number.

4136781455 is a deficient number, since it is larger than the sum of its proper divisors (827356297).

4136781455 is an equidigital number, since it uses as much as digits as its factorization.

4136781455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827356296.

The product of its digits is 403200, while the sum is 44.

The square root of 4136781455 is about 64317.8159999234. The cubic root of 4136781455 is about 1605.2925589950.

The spelling of 4136781455 in words is "four billion, one hundred thirty-six million, seven hundred eighty-one thousand, four hundred fifty-five".