65149494950 has 24 divisors (see below), whose sum is σ = 121805944248. Its totient is φ = 25924769280.

The previous prime is 65149494899. The next prime is 65149494973. The reversal of 65149494950 is 5949494156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3365972 + ... + 3385271.

It is an arithmetic number, because the mean of its divisors is an integer number (5075247677).

Almost surely, 2^65149494950 is an apocalyptic number.

65149494950 is a deficient number, since it is larger than the sum of its proper divisors (56656449298).

65149494950 is a wasteful number, since it uses less digits than its factorization.

65149494950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751448 (or 6751443 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 65149494950 in words is "sixty-five billion, one hundred forty-nine million, four hundred ninety-four thousand, nine hundred fifty".