64141699 has 4 divisors (see below), whose sum is σ = 65506464. Its totient is φ = 62776936.

The previous prime is 64141633. The next prime is 64141703. The reversal of 64141699 is 99614146.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99614146 = 2 ⋅49807073.

It is a cyclic number.

It is not a de Polignac number, because 64141699 - 2¹⁵ = 64108931 is a prime.

It is a super-2 number, since 2×64141699² = 8228315101213202, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64141199) 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, 682312 + ... + 682405.

It is an arithmetic number, because the mean of its divisors is an integer number (16376616).

Almost surely, 2^64141699 is an apocalyptic number.

64141699 is a deficient number, since it is larger than the sum of its proper divisors (1364765).

64141699 is a wasteful number, since it uses less digits than its factorization.

64141699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364764.

The product of its digits is 46656, while the sum is 40.

The square root of 64141699 is about 8008.8512909156. The cubic root of 64141699 is about 400.2949886508.

The spelling of 64141699 in words is "sixty-four million, one hundred forty-one thousand, six hundred ninety-nine".