1954247239924 has 12 divisors (see below), whose sum is σ = 3908494479904. Its totient is φ = 837534531384.

The previous prime is 1954247239921. The next prime is 1954247239963. The reversal of 1954247239924 is 4299327424591.

1954247239924 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954247239921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34897272114 + ... + 34897272169.

Almost surely, 2^{1954247239924} is an apocalyptic number.

1954247239924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1954247239924 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1954247239924 is a wasteful number, since it uses less digits than its factorization.

1954247239924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69794544294 (or 69794544292 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 61.

The spelling of 1954247239924 in words is "one trillion, nine hundred fifty-four billion, two hundred forty-seven million, two hundred thirty-nine thousand, nine hundred twenty-four".