7451642855 has 16 divisors (see below), whose sum is σ = 9115330464. Its totient is φ = 5845856640.

The previous prime is 7451642789. The next prime is 7451642857. The reversal of 7451642855 is 5582461547.

It is not a de Polignac number, because 7451642855 - 2⁸ = 7451642599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7451642857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615965 + ... + 627945.

It is an arithmetic number, because the mean of its divisors is an integer number (569708154).

Almost surely, 2^7451642855 is an apocalyptic number.

7451642855 is a deficient number, since it is larger than the sum of its proper divisors (1663687609).

7451642855 is a wasteful number, since it uses less digits than its factorization.

7451642855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14386.

The product of its digits is 1344000, while the sum is 47.

The square root of 7451642855 is about 86322.8987870542. The cubic root of 7451642855 is about 1953.2178171161.

The spelling of 7451642855 in words is "seven billion, four hundred fifty-one million, six hundred forty-two thousand, eight hundred fifty-five".