381423688350050 has 24 divisors (see below), whose sum is σ = 709449602264676. Its totient is φ = 152569143741440.

The previous prime is 381423688349987. The next prime is 381423688350077. The reversal of 381423688350050 is 50053886324183.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 203265556237129 + 178158132112921 = 14257123^2 + 13347589^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15628502 + ... + 31734798.

Almost surely, 2^{381423688350050} is an apocalyptic number.

381423688350050 is a deficient number, since it is larger than the sum of its proper divisors (328025913914626).

381423688350050 is a wasteful number, since it uses less digits than its factorization.

381423688350050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16579942 (or 16579937 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 56.

The spelling of 381423688350050 in words is "three hundred eighty-one trillion, four hundred twenty-three billion, six hundred eighty-eight million, three hundred fifty thousand, fifty".