4081191451 has 2 divisors, whose sum is σ = 4081191452. Its totient is φ = 4081191450.

The previous prime is 4081191409. The next prime is 4081191463. The reversal of 4081191451 is 1541911804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4081191451 - 2¹¹ = 4081189403 is a prime.

It is a super-2 number, since 2×4081191451² = 33312247319430970802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4084191451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2040595725 + 2040595726.

It is an arithmetic number, because the mean of its divisors is an integer number (2040595726).

Almost surely, 2^4081191451 is an apocalyptic number.

4081191451 is a deficient number, since it is larger than the sum of its proper divisors (1).

4081191451 is an equidigital number, since it uses as much as digits as its factorization.

4081191451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 4081191451 is about 63884.2034543752. The cubic root of 4081191451 is about 1598.0694751235.

The spelling of 4081191451 in words is "four billion, eighty-one million, one hundred ninety-one thousand, four hundred fifty-one".