901855901459 has 2 divisors, whose sum is σ = 901855901460. Its totient is φ = 901855901458.

The previous prime is 901855901417. The next prime is 901855901521. The reversal of 901855901459 is 954109558109.

It is a weak prime.

It is an emirp because it is prime and its reverse (954109558109) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 901855901459 - 2²⁰ = 901854852883 is a prime.

It is not a weakly prime, because it can be changed into another prime (901855909459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450927950729 + 450927950730.

It is an arithmetic number, because the mean of its divisors is an integer number (450927950730).

Almost surely, 2^901855901459 is an apocalyptic number.

901855901459 is a deficient number, since it is larger than the sum of its proper divisors (1).

901855901459 is an equidigital number, since it uses as much as digits as its factorization.

901855901459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916000, while the sum is 56.

The spelling of 901855901459 in words is "nine hundred one billion, eight hundred fifty-five million, nine hundred one thousand, four hundred fifty-nine".