1954524479 has 4 divisors (see below), whose sum is σ = 1954614984. Its totient is φ = 1954433976.

The previous prime is 1954524463. The next prime is 1954524497. The reversal of 1954524479 is 9744254591.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1954524479 - 2⁴ = 1954524463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954524419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8144 + ... + 63050.

It is an arithmetic number, because the mean of its divisors is an integer number (488653746).

Almost surely, 2^1954524479 is an apocalyptic number.

1954524479 is a deficient number, since it is larger than the sum of its proper divisors (90505).

1954524479 is an equidigital number, since it uses as much as digits as its factorization.

1954524479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90504.

The product of its digits is 1814400, while the sum is 50.

The square root of 1954524479 is about 44210.0042863603. The cubic root of 1954524479 is about 1250.2984842401.

The spelling of 1954524479 in words is "one billion, nine hundred fifty-four million, five hundred twenty-four thousand, four hundred seventy-nine".