64154834043 has 32 divisors (see below), whose sum is σ = 87976627200. Its totient is φ = 41564964096.

The previous prime is 64154834041. The next prime is 64154834063. The reversal of 64154834043 is 34043845146.

It is a happy number.

It is not a de Polignac number, because 64154834043 - 2¹ = 64154834041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64154833986 and 64154834004.

It is not an unprimeable number, because it can be changed into a prime (64154834041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30709743 + ... + 30711831.

It is an arithmetic number, because the mean of its divisors is an integer number (2749269600).

Almost surely, 2^64154834043 is an apocalyptic number.

64154834043 is a deficient number, since it is larger than the sum of its proper divisors (23821793157).

64154834043 is a wasteful number, since it uses less digits than its factorization.

64154834043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 64154834043 in words is "sixty-four billion, one hundred fifty-four million, eight hundred thirty-four thousand, forty-three".