64250498811 has 8 divisors (see below), whose sum is σ = 85676919120. Its totient is φ = 42828872192.

The previous prime is 64250498777. The next prime is 64250498831. The reversal of 64250498811 is 11889405246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64250498811 - 2¹⁷ = 64250367739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64250498831) 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 7 ways as a sum of consecutive naturals, for example, 1167030 + ... + 1220843.

It is an arithmetic number, because the mean of its divisors is an integer number (10709614890).

Almost surely, 2^64250498811 is an apocalyptic number.

64250498811 is a deficient number, since it is larger than the sum of its proper divisors (21426420309).

64250498811 is a wasteful number, since it uses less digits than its factorization.

64250498811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396845.

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 64250498811 in words is "sixty-four billion, two hundred fifty million, four hundred ninety-eight thousand, eight hundred eleven".