1954355870712 has 192 divisors, whose sum is σ = 5720254106400. Its totient is φ = 554789329920.

The previous prime is 1954355870711. The next prime is 1954355870737. The reversal of 1954355870712 is 2170785534591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954355870711) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 486035262 + ... + 486039282.

Almost surely, 2^{1954355870712} is an apocalyptic number.

1954355870712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1954355870712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2860127053200).

1954355870712 is an abundant number, since it is smaller than the sum of its proper divisors (3765898235688).

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

1954355870712 is a wasteful number, since it uses less digits than its factorization.

1954355870712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6606 (or 6595 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 57.

The spelling of 1954355870712 in words is "one trillion, nine hundred fifty-four billion, three hundred fifty-five million, eight hundred seventy thousand, seven hundred twelve".