201009902879 has 2 divisors, whose sum is σ = 201009902880. Its totient is φ = 201009902878.

The previous prime is 201009902833. The next prime is 201009902893. The reversal of 201009902879 is 978209900102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201009902879 - 2³⁶ = 132290426143 is a prime.

It is a super-3 number, since 3×201009902879³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201009952879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100504951439 + 100504951440.

It is an arithmetic number, because the mean of its divisors is an integer number (100504951440).

Almost surely, 2^201009902879 is an apocalyptic number.

201009902879 is a deficient number, since it is larger than the sum of its proper divisors (1).

201009902879 is an equidigital number, since it uses as much as digits as its factorization.

201009902879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 47.

The spelling of 201009902879 in words is "two hundred one billion, nine million, nine hundred two thousand, eight hundred seventy-nine".