64428237514 has 16 divisors (see below), whose sum is σ = 100903745088. Its totient is φ = 30795309952.

The previous prime is 64428237493. The next prime is 64428237541. The reversal of 64428237514 is 41573282446.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334612 + ... + 490735.

It is an arithmetic number, because the mean of its divisors is an integer number (6306484068).

Almost surely, 2^64428237514 is an apocalyptic number.

64428237514 is a deficient number, since it is larger than the sum of its proper divisors (36475507574).

64428237514 is a wasteful number, since it uses less digits than its factorization.

64428237514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827069.

The product of its digits is 1290240, while the sum is 46.

The spelling of 64428237514 in words is "sixty-four billion, four hundred twenty-eight million, two hundred thirty-seven thousand, five hundred fourteen".