7451140855474 has 4 divisors (see below), whose sum is σ = 11176711283214. Its totient is φ = 3725570427736.

The previous prime is 7451140855393. The next prime is 7451140855531. The reversal of 7451140855474 is 4745580411547.

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

It can be written as a sum of positive squares in only one way, i.e., 4919271151249 + 2531869704225 = 2217943^2 + 1591185^2 .

It is a super-2 number, since 2×7451140855474² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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, 1862785213867 + ... + 1862785213870.

Almost surely, 2^{7451140855474} is an apocalyptic number.

7451140855474 is a deficient number, since it is larger than the sum of its proper divisors (3725570427740).

7451140855474 is a wasteful number, since it uses less digits than its factorization.

7451140855474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725570427739.

The product of its (nonzero) digits is 12544000, while the sum is 55.

The spelling of 7451140855474 in words is "seven trillion, four hundred fifty-one billion, one hundred forty million, eight hundred fifty-five thousand, four hundred seventy-four".