1225949319744 has 28 divisors (see below), whose sum is σ = 3243657575664. Its totient is φ = 408649773184.

The previous prime is 1225949319743. The next prime is 1225949319787. The reversal of 1225949319744 is 4479139495221.

It is not an unprimeable number, because it can be changed into a prime (1225949319743) 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, 3192576162 + ... + 3192576545.

Almost surely, 2^{1225949319744} is an apocalyptic number.

It is an amenable number.

1225949319744 is an abundant number, since it is smaller than the sum of its proper divisors (2017708255920).

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

1225949319744 is an equidigital number, since it uses as much as digits as its factorization.

1225949319744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6385152722 (or 6385152712 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The spelling of 1225949319744 in words is "one trillion, two hundred twenty-five billion, nine hundred forty-nine million, three hundred nineteen thousand, seven hundred forty-four".