64403996654 has 8 divisors (see below), whose sum is σ = 96609029088. Its totient is φ = 32200986960.

The previous prime is 64403996651. The next prime is 64403996689. The reversal of 64403996654 is 45669930446.

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

It is a self number, because there is not a number n which added to its sum of digits gives 64403996654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64403996651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423407 + ... + 555050.

It is an arithmetic number, because the mean of its divisors is an integer number (12076128636).

Almost surely, 2^64403996654 is an apocalyptic number.

64403996654 is a deficient number, since it is larger than the sum of its proper divisors (32205032434).

64403996654 is a wasteful number, since it uses less digits than its factorization.

64403996654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011370.

The product of its (nonzero) digits is 16796160, while the sum is 56.

The spelling of 64403996654 in words is "sixty-four billion, four hundred three million, nine hundred ninety-six thousand, six hundred fifty-four".