393834528452 has 6 divisors (see below), whose sum is σ = 689210424798. Its totient is φ = 196917264224.

The previous prime is 393834528443. The next prime is 393834528469. The reversal of 393834528452 is 254825438393.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 229465908676 + 164368619776 = 479026^2 + 405424^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49229316053 + ... + 49229316060.

It is an arithmetic number, because the mean of its divisors is an integer number (114868404133).

Almost surely, 2^393834528452 is an apocalyptic number.

It is an amenable number.

393834528452 is a deficient number, since it is larger than the sum of its proper divisors (295375896346).

393834528452 is a wasteful number, since it uses less digits than its factorization.

393834528452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98458632117 (or 98458632115 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 56.

The spelling of 393834528452 in words is "three hundred ninety-three billion, eight hundred thirty-four million, five hundred twenty-eight thousand, four hundred fifty-two".