1954054479 has 8 divisors (see below), whose sum is σ = 2805821872. Its totient is φ = 1202495040.

The previous prime is 1954054463. The next prime is 1954054489. The reversal of 1954054479 is 9744504591.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1954054479 - 2⁴ = 1954054463 is a prime.

It is a super-2 number, since 2×1954054479² = 7636657813799922882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954054429) 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, 25051942 + ... + 25052019.

It is an arithmetic number, because the mean of its divisors is an integer number (350727734).

Almost surely, 2^1954054479 is an apocalyptic number.

1954054479 is a deficient number, since it is larger than the sum of its proper divisors (851767393).

1954054479 is a wasteful number, since it uses less digits than its factorization.

1954054479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50103977.

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 1954054479 is about 44204.6884278127. The cubic root of 1954054479 is about 1250.1982574069.

The spelling of 1954054479 in words is "one billion, nine hundred fifty-four million, fifty-four thousand, four hundred seventy-nine".