426548753449 has 27 divisors (see below), whose sum is σ = 537368684517. Its totient is φ = 337442099904.

The previous prime is 426548753401. The next prime is 426548753473. The reversal of 426548753449 is 944357845624.

The square root of 426548753449 is 653107.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 7655025049 + 418893728400 = 87493^2 + 647220^2 .

It is not a de Polignac number, because 426548753449 - 2³⁷ = 289109799977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426548753489) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 59429149 + ... + 59436325.

It is an arithmetic number, because the mean of its divisors is an integer number (19902543871).

Almost surely, 2^426548753449 is an apocalyptic number.

426548753449 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

426548753449 is the 653107-th square number.

426548753449 is the 326554-th centered octagonal number.

It is an amenable number.

426548753449 is a deficient number, since it is larger than the sum of its proper divisors (110819931068).

426548753449 is an frugal number, since it uses more digits than its factorization.

426548753449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14394 (or 7197 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 61.

The spelling of 426548753449 in words is "four hundred twenty-six billion, five hundred forty-eight million, seven hundred fifty-three thousand, four hundred forty-nine".