101950574209 has 9 divisors (see below), whose sum is σ = 112065235681. Its totient is φ = 92679147220.

The previous prime is 101950574207. The next prime is 101950574233. The reversal of 101950574209 is 902475059101.

The square root of 101950574209 is 319297.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 101950574209 - 2¹ = 101950574207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101950574207) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3497754 + ... + 3526780.

Almost surely, 2^101950574209 is an apocalyptic number.

101950574209 is the 319297-th square number.

101950574209 is the 159649-th centered octagonal number.

It is an amenable number.

101950574209 is a deficient number, since it is larger than the sum of its proper divisors (10114661472).

101950574209 is an frugal number, since it uses more digits than its factorization.

101950574209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58076 (or 29038 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 43.

The spelling of 101950574209 in words is "one hundred one billion, nine hundred fifty million, five hundred seventy-four thousand, two hundred nine".