256650100461469 has 48 divisors (see below), whose sum is σ = 303651240286464. Its totient is φ = 215033039020800.

The previous prime is 256650100461451. The next prime is 256650100461523. The reversal of 256650100461469 is 964164001056652.

It is a happy number.

It is not a de Polignac number, because 256650100461469 - 2¹⁹ = 256650099937181 is a prime.

It is a super-2 number, since 2×256650100461469² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256650100461269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6322812364 + ... + 6322852954.

It is an arithmetic number, because the mean of its divisors is an integer number (6326067505968).

Almost surely, 2^{256650100461469} is an apocalyptic number.

It is an amenable number.

256650100461469 is a deficient number, since it is larger than the sum of its proper divisors (47001139824995).

256650100461469 is a wasteful number, since it uses less digits than its factorization.

256650100461469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45878 (or 45865 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 256650100461469 in words is "two hundred fifty-six trillion, six hundred fifty billion, one hundred million, four hundred sixty-one thousand, four hundred sixty-nine".