7245277374557 has 4 divisors (see below), whose sum is σ = 7319970955836. Its totient is φ = 7170583793280.

The previous prime is 7245277374551. The next prime is 7245277374589. The reversal of 7245277374557 is 7554737725427.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3646778399716 + 3598498974841 = 1909654^2 + 1896971^2 .

It is a cyclic number.

It is not a de Polignac number, because 7245277374557 - 2⁴ = 7245277374541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7245277374493 and 7245277374502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7245277374551) 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 3 ways as a sum of consecutive naturals, for example, 37346790494 + ... + 37346790687.

It is an arithmetic number, because the mean of its divisors is an integer number (1829992738959).

Almost surely, 2^{7245277374557} is an apocalyptic number.

It is an amenable number.

7245277374557 is a deficient number, since it is larger than the sum of its proper divisors (74693581279).

7245277374557 is an equidigital number, since it uses as much as digits as its factorization.

7245277374557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74693581278.

The product of its digits is 403368000, while the sum is 65.

The spelling of 7245277374557 in words is "seven trillion, two hundred forty-five billion, two hundred seventy-seven million, three hundred seventy-four thousand, five hundred fifty-seven".