1455971559409 has 8 divisors (see below), whose sum is σ = 1491654880800. Its totient is φ = 1420296420000.

The previous prime is 1455971559397. The next prime is 1455971559437. The reversal of 1455971559409 is 9049551795541.

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 1455971559409 - 2⁷ = 1455971559281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455971559439) 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, 1684467 + ... + 2397784.

It is an arithmetic number, because the mean of its divisors is an integer number (186456860100).

Almost surely, 2^{1455971559409} is an apocalyptic number.

It is an amenable number.

1455971559409 is a deficient number, since it is larger than the sum of its proper divisors (35683321391).

1455971559409 is an equidigital number, since it uses as much as digits as its factorization.

1455971559409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090991.

The product of its (nonzero) digits is 51030000, while the sum is 64.

The spelling of 1455971559409 in words is "one trillion, four hundred fifty-five billion, nine hundred seventy-one million, five hundred fifty-nine thousand, four hundred nine".