64355266254950 has 96 divisors (see below), whose sum is σ = 138267386570880. Its totient is φ = 22024795507200.

The previous prime is 64355266254947. The next prime is 64355266254953. The reversal of 64355266254950 is 5945266255346.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (64355266254947) and next prime (64355266254953).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64355266254953) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 673554281 + ... + 673649819.

It is an arithmetic number, because the mean of its divisors is an integer number (1440285276780).

Almost surely, 2^{64355266254950} is an apocalyptic number.

64355266254950 is an abundant number, since it is smaller than the sum of its proper divisors (73912120315930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64355266254950 is a wasteful number, since it uses less digits than its factorization.

64355266254950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167622 (or 167617 counting only the distinct ones).

The product of its (nonzero) digits is 233280000, while the sum is 62.

The spelling of 64355266254950 in words is "sixty-four trillion, three hundred fifty-five billion, two hundred sixty-six million, two hundred fifty-four thousand, nine hundred fifty".