381902901101 has 4 divisors (see below), whose sum is σ = 381913761600. Its totient is φ = 381892040604.

The previous prime is 381902901097. The next prime is 381902901161. The reversal of 381902901101 is 101109209183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101109209183 = 31 ⋅3261587393.

It is a cyclic number.

It is not a de Polignac number, because 381902901101 - 2² = 381902901097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381902901161) 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, 5377331 + ... + 5447888.

It is an arithmetic number, because the mean of its divisors is an integer number (95478440400).

Almost surely, 2^381902901101 is an apocalyptic number.

It is an amenable number.

381902901101 is a deficient number, since it is larger than the sum of its proper divisors (10860499).

381902901101 is a wasteful number, since it uses less digits than its factorization.

381902901101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10860498.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 381902901101 in words is "three hundred eighty-one billion, nine hundred two million, nine hundred one thousand, one hundred one".