901911000002 has 4 divisors (see below), whose sum is σ = 1352866500006. Its totient is φ = 450955500000.

The previous prime is 901910999999. The next prime is 901911000049. The reversal of 901911000002 is 200000119109.

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

It can be written as a sum of positive squares in only one way, i.e., 779404699921 + 122506300081 = 882839^2 + 350009^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225477749999 + ... + 225477750002.

Almost surely, 2^901911000002 is an apocalyptic number.

901911000002 is a deficient number, since it is larger than the sum of its proper divisors (450955500004).

901911000002 is a wasteful number, since it uses less digits than its factorization.

901911000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450955500003.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 901911000002 in words is "nine hundred one billion, nine hundred eleven million, two", and thus it is an aban number.