1054813643 has 8 divisors (see below), whose sum is σ = 1137833088. Its totient is φ = 972062784.

The previous prime is 1054813631. The next prime is 1054813663. The reversal of 1054813643 is 3463184501.

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

It is a cyclic number.

It is not a de Polignac number, because 1054813643 - 2¹⁸ = 1054551499 is a prime.

It is a super-2 number, since 2×1054813643² = 2225263642917862898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054813663) 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, 58946 + ... + 74727.

It is an arithmetic number, because the mean of its divisors is an integer number (142229136).

Almost surely, 2^1054813643 is an apocalyptic number.

1054813643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1054813643 is a deficient number, since it is larger than the sum of its proper divisors (83019445).

1054813643 is a wasteful number, since it uses less digits than its factorization.

1054813643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134293.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1054813643 is about 32477.8946823836. The cubic root of 1054813643 is about 1017.9471859128.

The spelling of 1054813643 in words is "one billion, fifty-four million, eight hundred thirteen thousand, six hundred forty-three".