1949849929544 has 64 divisors (see below), whose sum is σ = 4174971310080. Its totient is φ = 845624808000.

The previous prime is 1949849929537. The next prime is 1949849929579. The reversal of 1949849929544 is 4459299489491.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4839794 + ... + 5227169.

It is an arithmetic number, because the mean of its divisors is an integer number (65233926720).

Almost surely, 2^{1949849929544} is an apocalyptic number.

It is an amenable number.

1949849929544 is an abundant number, since it is smaller than the sum of its proper divisors (2225121380536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1949849929544 is a wasteful number, since it uses less digits than its factorization.

1949849929544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10067082 (or 10067078 counting only the distinct ones).

The product of its digits is 1209323520, while the sum is 77.

The spelling of 1949849929544 in words is "one trillion, nine hundred forty-nine billion, eight hundred forty-nine million, nine hundred twenty-nine thousand, five hundred forty-four".