274786688401 has 3 divisors (see below), whose sum is σ = 274787212603. Its totient is φ = 274786164200.

The previous prime is 274786688357. The next prime is 274786688461. The reversal of 274786688401 is 104886687472.

The square root of 274786688401 is 524201.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 274734270801 + 52417600 = 524151^2 + 7240^2 .

It is not a de Polignac number, because 274786688401 - 2¹¹ = 274786686353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 274786688401.

It is not an unprimeable number, because it can be changed into a prime (274786688461) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 262101 + ... + 786301.

Almost surely, 2^274786688401 is an apocalyptic number.

274786688401 is the 524201-st square number.

274786688401 is the 262101-st centered octagonal number.

It is an amenable number.

274786688401 is a deficient number, since it is larger than the sum of its proper divisors (524202).

274786688401 is an frugal number, since it uses more digits than its factorization.

274786688401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048402 (or 524201 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 61.

The spelling of 274786688401 in words is "two hundred seventy-four billion, seven hundred eighty-six million, six hundred eighty-eight thousand, four hundred one".