7481508450845 has 32 divisors (see below), whose sum is σ = 10569377387520. Its totient is φ = 5012065405440.

The previous prime is 7481508450821. The next prime is 7481508450883. The reversal of 7481508450845 is 5480548051847.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-7481508450845 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10579904 + ... + 11264873.

It is an arithmetic number, because the mean of its divisors is an integer number (330293043360).

Almost surely, 2^{7481508450845} is an apocalyptic number.

It is an amenable number.

7481508450845 is a deficient number, since it is larger than the sum of its proper divisors (3087868936675).

7481508450845 is a wasteful number, since it uses less digits than its factorization.

7481508450845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21845285.

The product of its (nonzero) digits is 28672000, while the sum is 59.

The spelling of 7481508450845 in words is "seven trillion, four hundred eighty-one billion, five hundred eight million, four hundred fifty thousand, eight hundred forty-five".