1945982761479 has 24 divisors (see below), whose sum is σ = 2959604622000. Its totient is φ = 1228709260800.

The previous prime is 1945982761391. The next prime is 1945982761501. The reversal of 1945982761479 is 9741672895491.

1945982761479 is a `hidden beast` number, since 1 + 9 + 4 + 5 + 9 + 82 + 76 + 1 + 479 = 666.

It is not a de Polignac number, because 1945982761479 - 2¹⁷ = 1945982630407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1945982760479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 904554 + ... + 2170295.

It is an arithmetic number, because the mean of its divisors is an integer number (123316859250).

Almost surely, 2^{1945982761479} is an apocalyptic number.

1945982761479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1945982761479 is a deficient number, since it is larger than the sum of its proper divisors (1013621860521).

1945982761479 is a wasteful number, since it uses less digits than its factorization.

1945982761479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078575 (or 3078572 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 72.

The spelling of 1945982761479 in words is "one trillion, nine hundred forty-five billion, nine hundred eighty-two million, seven hundred sixty-one thousand, four hundred seventy-nine".