1457695638827 has 4 divisors (see below), whose sum is σ = 1472723429016. Its totient is φ = 1442667848640.

The previous prime is 1457695638757. The next prime is 1457695638851. The reversal of 1457695638827 is 7288365967541.

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 1457695638827 - 2³⁸ = 1182817731883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1457695698827) 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, 7513894949 + ... + 7513895142.

It is an arithmetic number, because the mean of its divisors is an integer number (368180857254).

Almost surely, 2^{1457695638827} is an apocalyptic number.

1457695638827 is a deficient number, since it is larger than the sum of its proper divisors (15027790189).

1457695638827 is an equidigital number, since it uses as much as digits as its factorization.

1457695638827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15027790188.

The product of its digits is 609638400, while the sum is 71.

The spelling of 1457695638827 in words is "one trillion, four hundred fifty-seven billion, six hundred ninety-five million, six hundred thirty-eight thousand, eight hundred twenty-seven".