381075393079 has 4 divisors (see below), whose sum is σ = 381386984976. Its totient is φ = 380763801184.

The previous prime is 381075393067. The next prime is 381075393091. The reversal of 381075393079 is 970393570183.

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

It is an interprime number because it is at equal distance from previous prime (381075393067) and next prime (381075393091).

It is a cyclic number.

It is not a de Polignac number, because 381075393079 - 2¹⁹ = 381074868791 is a prime.

It is a super-2 number, since 2×381075393079² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381075391079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155794114 + ... + 155796559.

It is an arithmetic number, because the mean of its divisors is an integer number (95346746244).

Almost surely, 2^381075393079 is an apocalyptic number.

381075393079 is a deficient number, since it is larger than the sum of its proper divisors (311591897).

381075393079 is a wasteful number, since it uses less digits than its factorization.

381075393079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311591896.

The product of its (nonzero) digits is 4286520, while the sum is 55.

The spelling of 381075393079 in words is "three hundred eighty-one billion, seventy-five million, three hundred ninety-three thousand, seventy-nine".