1426737080521 has 27 divisors (see below), whose sum is σ = 1504655951463. Its totient is φ = 1352798750160.

The previous prime is 1426737080449. The next prime is 1426737080611. The reversal of 1426737080521 is 1250807376241.

The square root of 1426737080521 is 1194461.

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

It can be written as a sum of positive squares in only one way, i.e., 1028530647225 + 398206433296 = 1014165^2 + 631036^2 .

It is not a de Polignac number, because 1426737080521 - 2⁹ = 1426737080009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426737081521) 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, 1962499060 + ... + 1962499786.

Almost surely, 2^{1426737080521} is an apocalyptic number.

1426737080521 is the 1194461-st square number.

1426737080521 is the 597231-st centered octagonal number.

It is an amenable number.

1426737080521 is a deficient number, since it is larger than the sum of its proper divisors (77918870942).

1426737080521 is an frugal number, since it uses more digits than its factorization.

1426737080521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 1426737080521 in words is "one trillion, four hundred twenty-six billion, seven hundred thirty-seven million, eighty thousand, five hundred twenty-one".