1453797349 has 4 divisors (see below), whose sum is σ = 1474273440. Its totient is φ = 1433321260.

The previous prime is 1453797329. The next prime is 1453797353. The reversal of 1453797349 is 9437973541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1453797349 - 2¹⁵ = 1453764581 is a prime.

It is a super-2 number, since 2×1453797349² = 4227053463918855602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1453797296 and 1453797305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453797329) 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 3 ways as a sum of consecutive naturals, for example, 10237939 + ... + 10238080.

It is an arithmetic number, because the mean of its divisors is an integer number (368568360).

Almost surely, 2^1453797349 is an apocalyptic number.

It is an amenable number.

1453797349 is a deficient number, since it is larger than the sum of its proper divisors (20476091).

1453797349 is an equidigital number, since it uses as much as digits as its factorization.

1453797349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20476090.

The product of its digits is 2857680, while the sum is 52.

The square root of 1453797349 is about 38128.6945619700. The cubic root of 1453797349 is about 1132.8383884851.

The spelling of 1453797349 in words is "one billion, four hundred fifty-three million, seven hundred ninety-seven thousand, three hundred forty-nine".