64498953 has 8 divisors (see below), whose sum is σ = 86169600. Its totient is φ = 42913808.

The previous prime is 64498949. The next prime is 64498961. The reversal of 64498953 is 35989446.

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

It is a cyclic number.

It is not a de Polignac number, because 64498953 - 2² = 64498949 is a prime.

It is a super-2 number, since 2×64498953² = 8320229876192418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64498913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19593 + ... + 22646.

It is an arithmetic number, because the mean of its divisors is an integer number (10771200).

Almost surely, 2^64498953 is an apocalyptic number.

It is an amenable number.

64498953 is a deficient number, since it is larger than the sum of its proper divisors (21670647).

64498953 is a wasteful number, since it uses less digits than its factorization.

64498953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42751.

The product of its digits is 933120, while the sum is 48.

The square root of 64498953 is about 8031.1240184672. The cubic root of 64498953 is about 401.0367957313.

The spelling of 64498953 in words is "sixty-four million, four hundred ninety-eight thousand, nine hundred fifty-three".