1054207663849 has 8 divisors (see below), whose sum is σ = 1055862149760. Its totient is φ = 1052554475856.

The previous prime is 1054207663843. The next prime is 1054207663871. The reversal of 1054207663849 is 9483667024501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1054207663849 is a prime.

It is a super-2 number, since 2×1054207663849² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1054207663849.

It is not an unprimeable number, because it can be changed into a prime (1054207663843) 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, 1307682 + ... + 1954084.

It is an arithmetic number, because the mean of its divisors is an integer number (131982768720).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1054207663849 = 2108415327698, but 3⋅1054207663849 = 3162622991547 is not.

Almost surely, 2^{1054207663849} is an apocalyptic number.

It is an amenable number.

1054207663849 is a deficient number, since it is larger than the sum of its proper divisors (1654485911).

1054207663849 is a wasteful number, since it uses less digits than its factorization.

1054207663849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648959.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 1054207663849 in words is "one trillion, fifty-four billion, two hundred seven million, six hundred sixty-three thousand, eight hundred forty-nine".