101050649999 has 4 divisors (see below), whose sum is σ = 108823776936. Its totient is φ = 93277523064.

The previous prime is 101050649993. The next prime is 101050650061. The reversal of 101050649999 is 999946050101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101050649999 is a prime.

It is a super-2 number, since 2×101050649999² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101050649999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101050649993) 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, 3886563449 + ... + 3886563474.

It is an arithmetic number, because the mean of its divisors is an integer number (27205944234).

Almost surely, 2^101050649999 is an apocalyptic number.

101050649999 is a deficient number, since it is larger than the sum of its proper divisors (7773126937).

101050649999 is an equidigital number, since it uses as much as digits as its factorization.

101050649999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7773126936.

The product of its (nonzero) digits is 787320, while the sum is 53.

The spelling of 101050649999 in words is "one hundred one billion, fifty million, six hundred forty-nine thousand, nine hundred ninety-nine".