381450148497 has 12 divisors (see below), whose sum is σ = 601072961424. Its totient is φ = 231181908120.

The previous prime is 381450148487. The next prime is 381450148517. The reversal of 381450148497 is 794841054183.

381450148497 is a `hidden beast` number, since 3 + 8 + 1 + 4 + 5 + 0 + 148 + 497 = 666.

It is not a de Polignac number, because 381450148497 - 2²² = 381445954193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381450148447) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1926515803 + ... + 1926516000.

It is an arithmetic number, because the mean of its divisors is an integer number (50089413452).

Almost surely, 2^381450148497 is an apocalyptic number.

It is an amenable number.

381450148497 is a deficient number, since it is larger than the sum of its proper divisors (219622812927).

381450148497 is a wasteful number, since it uses less digits than its factorization.

381450148497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853031820 (or 3853031817 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 381450148497 in words is "three hundred eighty-one billion, four hundred fifty million, one hundred forty-eight thousand, four hundred ninety-seven".