1253451332409 has 8 divisors (see below), whose sum is σ = 1671330700512. Its totient is φ = 835603092960.

The previous prime is 1253451332407. The next prime is 1253451332447. The reversal of 1253451332409 is 9042331543521.

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

It is not a de Polignac number, because 1253451332409 - 2¹ = 1253451332407 is a prime.

It is a super-2 number, since 2×1253451332409² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1253451332401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7688044 + ... + 7849389.

It is an arithmetic number, because the mean of its divisors is an integer number (208916337564).

Almost surely, 2^{1253451332409} is an apocalyptic number.

It is an amenable number.

1253451332409 is a deficient number, since it is larger than the sum of its proper divisors (417879368103).

1253451332409 is a wasteful number, since it uses less digits than its factorization.

1253451332409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15564327.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 1253451332409 in words is "one trillion, two hundred fifty-three billion, four hundred fifty-one million, three hundred thirty-two thousand, four hundred nine".