1453351340391 has 4 divisors (see below), whose sum is σ = 1937801787192. Its totient is φ = 968900893592.

The previous prime is 1453351340377. The next prime is 1453351340437. The reversal of 1453351340391 is 1930431533541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1453351340391 - 2⁶ = 1453351340327 is a prime.

It is a super-2 number, since 2×1453351340391² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453351340341) 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, 242225223396 + ... + 242225223401.

It is an arithmetic number, because the mean of its divisors is an integer number (484450446798).

Almost surely, 2^{1453351340391} is an apocalyptic number.

1453351340391 is a deficient number, since it is larger than the sum of its proper divisors (484450446801).

1453351340391 is an equidigital number, since it uses as much as digits as its factorization.

1453351340391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484450446800.

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 1453351340391 in words is "one trillion, four hundred fifty-three billion, three hundred fifty-one million, three hundred forty thousand, three hundred ninety-one".