26932420321 has 9 divisors (see below), whose sum is σ = 27898078611. Its totient is φ = 25999121064.

The previous prime is 26932420313. The next prime is 26932420337. The reversal of 26932420321 is 12302423962.

The square root of 26932420321 is 164111.

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., 14122707921 + 12809712400 = 118839^2 + 113180^2 .

It is not a de Polignac number, because 26932420321 - 2³ = 26932420313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26932420301) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4756390 + ... + 4762048.

Almost surely, 2^26932420321 is an apocalyptic number.

26932420321 is the 164111-st square number.

26932420321 is the 82056-th centered octagonal number.

It is an amenable number.

26932420321 is a deficient number, since it is larger than the sum of its proper divisors (965658290).

26932420321 is an frugal number, since it uses more digits than its factorization.

26932420321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11376 (or 5688 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 26932420321 in words is "twenty-six billion, nine hundred thirty-two million, four hundred twenty thousand, three hundred twenty-one".