101953474309 has 4 divisors (see below), whose sum is σ = 102247288704. Its totient is φ = 101659659916.

The previous prime is 101953474307. The next prime is 101953474313. The reversal of 101953474309 is 903474359101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101953474309 - 2¹ = 101953474307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101953474307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146906677 + ... + 146907370.

It is an arithmetic number, because the mean of its divisors is an integer number (25561822176).

Almost surely, 2^101953474309 is an apocalyptic number.

It is an amenable number.

101953474309 is a deficient number, since it is larger than the sum of its proper divisors (293814395).

101953474309 is an equidigital number, since it uses as much as digits as its factorization.

101953474309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293814394.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 101953474309 in words is "one hundred one billion, nine hundred fifty-three million, four hundred seventy-four thousand, three hundred nine".