1954146041950 has 12 divisors (see below), whose sum is σ = 3634711638120. Its totient is φ = 781658416760.

The previous prime is 1954146041923. The next prime is 1954146041957. The reversal of 1954146041950 is 591406414591.

It is a junction number, because it is equal to n+sod(n) for n = 1954146041894 and 1954146041903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954146041957) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19541460370 + ... + 19541460469.

It is an arithmetic number, because the mean of its divisors is an integer number (302892636510).

Almost surely, 2^{1954146041950} is an apocalyptic number.

1954146041950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1954146041950 is a deficient number, since it is larger than the sum of its proper divisors (1680565596170).

1954146041950 is a wasteful number, since it uses less digits than its factorization.

1954146041950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39082920851 (or 39082920846 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 1954146041950 in words is "one trillion, nine hundred fifty-four billion, one hundred forty-six million, forty-one thousand, nine hundred fifty".