381740503305 has 32 divisors (see below), whose sum is σ = 698062950144. Its totient is φ = 174504151296.

The previous prime is 381740503283. The next prime is 381740503307. The reversal of 381740503305 is 503305047183.

It is not a de Polignac number, because 381740503305 - 2⁸ = 381740503049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381740503307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6049899 + ... + 6112671.

It is an arithmetic number, because the mean of its divisors is an integer number (21814467192).

Almost surely, 2^381740503305 is an apocalyptic number.

381740503305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

381740503305 is a deficient number, since it is larger than the sum of its proper divisors (316322446839).

381740503305 is a wasteful number, since it uses less digits than its factorization.

381740503305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120705.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 381740503305 in words is "three hundred eighty-one billion, seven hundred forty million, five hundred three thousand, three hundred five".