256069763 has 2 divisors, whose sum is σ = 256069764. Its totient is φ = 256069762.

The previous prime is 256069727. The next prime is 256069769. The reversal of 256069763 is 367960652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 256069763 - 2¹⁴ = 256053379 is a prime.

It is not a weakly prime, because it can be changed into another prime (256069769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128034881 + 128034882.

It is an arithmetic number, because the mean of its divisors is an integer number (128034882).

Almost surely, 2^256069763 is an apocalyptic number.

256069763 is a deficient number, since it is larger than the sum of its proper divisors (1).

256069763 is an equidigital number, since it uses as much as digits as its factorization.

256069763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 256069763 is about 16002.1799452450. The cubic root of 256069763 is about 635.0180936006.

The spelling of 256069763 in words is "two hundred fifty-six million, sixty-nine thousand, seven hundred sixty-three".