1954669811000 has 32 divisors (see below), whose sum is σ = 4573927360080. Its totient is φ = 781867924000.

The previous prime is 1954669810993. The next prime is 1954669811009. The reversal of 1954669811000 is 1189664591.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 1954669811000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954669811009) 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, 977333906 + ... + 977335905.

Almost surely, 2^{1954669811000} is an apocalyptic number.

1954669811000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1954669811000 is an abundant number, since it is smaller than the sum of its proper divisors (2619257549080).

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

1954669811000 is a wasteful number, since it uses less digits than its factorization.

1954669811000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954669832 (or 1954669818 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 1954669811000 in words is "one trillion, nine hundred fifty-four billion, six hundred sixty-nine million, eight hundred eleven thousand".