901808684142 has 16 divisors (see below), whose sum is σ = 1803751359312. Its totient is φ = 300580562880.

The previous prime is 901808684131. The next prime is 901808684149. The reversal of 901808684142 is 241486808109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901808684149) 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, 5495359 + ... + 5657082.

It is an arithmetic number, because the mean of its divisors is an integer number (112734459957).

Almost surely, 2^901808684142 is an apocalyptic number.

901808684142 is an abundant number, since it is smaller than the sum of its proper divisors (901942675170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

901808684142 is a wasteful number, since it uses less digits than its factorization.

901808684142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11165923.

The product of its (nonzero) digits is 884736, while the sum is 51.

The spelling of 901808684142 in words is "nine hundred one billion, eight hundred eight million, six hundred eighty-four thousand, one hundred forty-two".