64154206141 has 4 divisors (see below), whose sum is σ = 64538363232. Its totient is φ = 63770049052.

The previous prime is 64154206139. The next prime is 64154206147. The reversal of 64154206141 is 14160245146.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14160245146 = 2 ⋅7080122573.

It is a cyclic number.

It is not a de Polignac number, because 64154206141 - 2¹ = 64154206139 is a prime.

It is a super-2 number, since 2×64154206141² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64154206097 and 64154206106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64154206147) 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, 192078295 + ... + 192078628.

It is an arithmetic number, because the mean of its divisors is an integer number (16134590808).

Almost surely, 2^64154206141 is an apocalyptic number.

It is an amenable number.

64154206141 is a deficient number, since it is larger than the sum of its proper divisors (384157091).

64154206141 is a wasteful number, since it uses less digits than its factorization.

64154206141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384157090.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 64154206141 in words is "sixty-four billion, one hundred fifty-four million, two hundred six thousand, one hundred forty-one".