1949219350432 has 48 divisors (see below), whose sum is σ = 4039845485760. Its totient is φ = 923235604992.

The previous prime is 1949219350417. The next prime is 1949219350433. The reversal of 1949219350432 is 2340539129491.

It is a super-3 number, since 3×1949219350432³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1949219350432.

It is not an unprimeable number, because it can be changed into a prime (1949219350433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7325188 + ... + 7586620.

It is an arithmetic number, because the mean of its divisors is an integer number (84163447620).

Almost surely, 2^{1949219350432} is an apocalyptic number.

It is an amenable number.

1949219350432 is an abundant number, since it is smaller than the sum of its proper divisors (2090626135328).

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

1949219350432 is a wasteful number, since it uses less digits than its factorization.

1949219350432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273725 (or 273717 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 1949219350432 in words is "one trillion, nine hundred forty-nine billion, two hundred nineteen million, three hundred fifty thousand, four hundred thirty-two".