1022099999949 has 24 divisors (see below), whose sum is σ = 1687302839040. Its totient is φ = 584047918368.

The previous prime is 1022099999873. The next prime is 1022099999969. The reversal of 1022099999949 is 9499999902201.

It is not a de Polignac number, because 1022099999949 - 2¹⁵ = 1022099967181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022099999969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7131139 + ... + 7273055.

It is an arithmetic number, because the mean of its divisors is an integer number (70304284960).

Almost surely, 2^{1022099999949} is an apocalyptic number.

It is an amenable number.

1022099999949 is a deficient number, since it is larger than the sum of its proper divisors (665202839091).

1022099999949 is a wasteful number, since it uses less digits than its factorization.

1022099999949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256249 (or 256246 counting only the distinct ones).

The product of its (nonzero) digits is 76527504, while the sum is 72.

The spelling of 1022099999949 in words is "one trillion, twenty-two billion, ninety-nine million, nine hundred ninety-nine thousand, nine hundred forty-nine".