64556142435 has 48 divisors (see below), whose sum is σ = 113280729120. Its totient is φ = 34005143040.

The previous prime is 64556142407. The next prime is 64556142557. The reversal of 64556142435 is 53424165546.

64556142435 is a `hidden beast` number, since 6 + 4 + 5 + 5 + 614 + 24 + 3 + 5 = 666.

It is not a de Polignac number, because 64556142435 - 2⁵ = 64556142403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3784225 + ... + 3801245.

It is an arithmetic number, because the mean of its divisors is an integer number (2360015190).

Almost surely, 2^64556142435 is an apocalyptic number.

64556142435 is a deficient number, since it is larger than the sum of its proper divisors (48724586685).

64556142435 is a wasteful number, since it uses less digits than its factorization.

64556142435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18068 (or 18065 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 64556142435 in words is "sixty-four billion, five hundred fifty-six million, one hundred forty-two thousand, four hundred thirty-five".