901901000001 has 8 divisors (see below), whose sum is σ = 1202973398784. Its totient is φ = 601047967280.

The previous prime is 901900999999. The next prime is 901901000003. The reversal of 901901000001 is 100000109109.

It is an interprime number because it is at equal distance from previous prime (901900999999) and next prime (901901000003).

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

It is a cyclic number.

It is not a de Polignac number, because 901901000001 - 2¹ = 901900999999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (901901000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54831921 + ... + 54848366.

It is an arithmetic number, because the mean of its divisors is an integer number (150371674848).

Almost surely, 2^901901000001 is an apocalyptic number.

It is an amenable number.

901901000001 is a deficient number, since it is larger than the sum of its proper divisors (301072398783).

901901000001 is a wasteful number, since it uses less digits than its factorization.

901901000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109683031.

The product of its (nonzero) digits is 81, while the sum is 21.

The spelling of 901901000001 in words is "nine hundred one billion, nine hundred one million, one", and thus it is an aban number.