535521149672 has 16 divisors (see below), whose sum is σ = 1004110094400. Its totient is φ = 267758457840.

The previous prime is 535521149651. The next prime is 535521149729. The reversal of 535521149672 is 276941125535.

It is a self number, because there is not a number n which added to its sum of digits gives 535521149672.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1512479 + ... + 1832657.

It is an arithmetic number, because the mean of its divisors is an integer number (62756880900).

Almost surely, 2^535521149672 is an apocalyptic number.

It is an amenable number.

535521149672 is a deficient number, since it is larger than the sum of its proper divisors (468588944728).

535521149672 is a wasteful number, since it uses less digits than its factorization.

535521149672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529256 (or 529252 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 50.

The spelling of 535521149672 in words is "five hundred thirty-five billion, five hundred twenty-one million, one hundred forty-nine thousand, six hundred seventy-two".