534798781951 has 16 divisors (see below), whose sum is σ = 611638126848. Its totient is φ = 458069472000.

The previous prime is 534798781949. The next prime is 534798781963. The reversal of 534798781951 is 159187897435.

It is not a de Polignac number, because 534798781951 - 2¹ = 534798781949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534798782951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103781391 + ... + 103786543.

It is an arithmetic number, because the mean of its divisors is an integer number (38227382928).

Almost surely, 2^534798781951 is an apocalyptic number.

534798781951 is a deficient number, since it is larger than the sum of its proper divisors (76839344897).

534798781951 is a wasteful number, since it uses less digits than its factorization.

534798781951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12942.

The product of its digits is 76204800, while the sum is 67.

The spelling of 534798781951 in words is "five hundred thirty-four billion, seven hundred ninety-eight million, seven hundred eighty-one thousand, nine hundred fifty-one".