4281778002534 has 16 divisors (see below), whose sum is σ = 8568878309040. Its totient is φ = 1426372283520.

The previous prime is 4281778002527. The next prime is 4281778002587. The reversal of 4281778002534 is 4352008771824.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221752207 + ... + 221771514.

It is an arithmetic number, because the mean of its divisors is an integer number (535554894315).

Almost surely, 2^{4281778002534} is an apocalyptic number.

4281778002534 is an abundant number, since it is smaller than the sum of its proper divisors (4287100306506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4281778002534 is a wasteful number, since it uses less digits than its factorization.

4281778002534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443525335.

The product of its (nonzero) digits is 3010560, while the sum is 51.

The spelling of 4281778002534 in words is "four trillion, two hundred eighty-one billion, seven hundred seventy-eight million, two thousand, five hundred thirty-four".