1457327649 has 4 divisors (see below), whose sum is σ = 1943103536. Its totient is φ = 971551764.

The previous prime is 1457327593. The next prime is 1457327681. The reversal of 1457327649 is 9467237541.

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 not a de Polignac number, because 1457327649 - 2¹⁶ = 1457262113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1457327598 and 1457327607.

It is not an unprimeable number, because it can be changed into a prime (1457327549) 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, 242887939 + ... + 242887944.

It is an arithmetic number, because the mean of its divisors is an integer number (485775884).

Almost surely, 2^1457327649 is an apocalyptic number.

It is an amenable number.

1457327649 is a deficient number, since it is larger than the sum of its proper divisors (485775887).

1457327649 is an equidigital number, since it uses as much as digits as its factorization.

1457327649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485775886.

The product of its digits is 1270080, while the sum is 48.

The square root of 1457327649 is about 38174.9610215911. The cubic root of 1457327649 is about 1133.7546158056.

The spelling of 1457327649 in words is "one billion, four hundred fifty-seven million, three hundred twenty-seven thousand, six hundred forty-nine".