1453989867 has 16 divisors (see below), whose sum is σ = 2115539328. Its totient is φ = 880937280.

The previous prime is 1453989857. The next prime is 1453989881. The reversal of 1453989867 is 7689893541.

It is not a de Polignac number, because 1453989867 - 2²⁰ = 1452941291 is a prime.

It is a super-2 number, since 2×1453989867² = 4228173066677355378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453989867.

It is not an unprimeable number, because it can be changed into a prime (1453989857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183663 + ... + 191415.

It is an arithmetic number, because the mean of its divisors is an integer number (132221208).

Almost surely, 2^1453989867 is an apocalyptic number.

1453989867 is a deficient number, since it is larger than the sum of its proper divisors (661549461).

1453989867 is a wasteful number, since it uses less digits than its factorization.

1453989867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13450.

The product of its digits is 13063680, while the sum is 60.

The square root of 1453989867 is about 38131.2190599776. The cubic root of 1453989867 is about 1132.8883913632. Note that the first 3 decimals are identical.

The spelling of 1453989867 in words is "one billion, four hundred fifty-three million, nine hundred eighty-nine thousand, eight hundred sixty-seven".