1498374294561 has 45 divisors (see below), whose sum is σ = 2292301266849. Its totient is φ = 975377118744.

The previous prime is 1498374294479. The next prime is 1498374294581. The reversal of 1498374294561 is 1654924738941.

The square root of 1498374294561 is 1224081.

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

1498374294561 is a `hidden beast` number, since 1 + 4 + 98 + 3 + 74 + 29 + 456 + 1 = 666.

It is not a de Polignac number, because 1498374294561 - 2⁷ = 1498374294433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1498374294581) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 473717766 + ... + 473720928.

Almost surely, 2^{1498374294561} is an apocalyptic number.

1498374294561 is the 1224081-st square number.

1498374294561 is the 612041-st centered octagonal number.

It is an amenable number.

1498374294561 is a deficient number, since it is larger than the sum of its proper divisors (793926972288).

1498374294561 is an frugal number, since it uses more digits than its factorization.

1498374294561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424 (or 3209 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 1498374294561 in words is "one trillion, four hundred ninety-eight billion, three hundred seventy-four million, two hundred ninety-four thousand, five hundred sixty-one".