64409837962 has 4 divisors (see below), whose sum is σ = 96614756946. Its totient is φ = 32204918980.

The previous prime is 64409837959. The next prime is 64409837981. The reversal of 64409837962 is 26973890446.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34154366481 + 30255471481 = 184809^2 + 173941^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64409837897 and 64409837906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16102459489 + ... + 16102459492.

Almost surely, 2^64409837962 is an apocalyptic number.

64409837962 is a deficient number, since it is larger than the sum of its proper divisors (32204918984).

64409837962 is a wasteful number, since it uses less digits than its factorization.

64409837962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32204918983.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 64409837962 in words is "sixty-four billion, four hundred nine million, eight hundred thirty-seven thousand, nine hundred sixty-two".