381926731029 has 8 divisors (see below), whose sum is σ = 509244887712. Its totient is φ = 254613197520.

The previous prime is 381926731027. The next prime is 381926731031. The reversal of 381926731029 is 920137629183.

It is an interprime number because it is at equal distance from previous prime (381926731027) and next prime (381926731031).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 381926731029 - 2¹ = 381926731027 is a prime.

It is a super-2 number, since 2×381926731029² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381926731027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958207 + ... + 1296924.

It is an arithmetic number, because the mean of its divisors is an integer number (63655610964).

Almost surely, 2^381926731029 is an apocalyptic number.

It is an amenable number.

381926731029 is a deficient number, since it is larger than the sum of its proper divisors (127318156683).

381926731029 is a wasteful number, since it uses less digits than its factorization.

381926731029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311587.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 381926731029 in words is "three hundred eighty-one billion, nine hundred twenty-six million, seven hundred thirty-one thousand, twenty-nine".