1054463999 has 4 divisors (see below), whose sum is σ = 1082963064. Its totient is φ = 1025964936.

The previous prime is 1054463951. The next prime is 1054464001. The reversal of 1054463999 is 9993644501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9993644501 = 229 ⋅43640369.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1054463999 is a prime.

It is a super-2 number, since 2×1054463999² = 2223788650374144002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054463909) 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, 14249477 + ... + 14249550.

It is an arithmetic number, because the mean of its divisors is an integer number (270740766).

Almost surely, 2^1054463999 is an apocalyptic number.

1054463999 is a deficient number, since it is larger than the sum of its proper divisors (28499065).

1054463999 is an equidigital number, since it uses as much as digits as its factorization.

1054463999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28499064.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 1054463999 is about 32472.5114365982. The cubic root of 1054463999 is about 1017.8346989152.

The spelling of 1054463999 in words is "one billion, fifty-four million, four hundred sixty-three thousand, nine hundred ninety-nine".