551397219622 has 16 divisors (see below), whose sum is σ = 896114772432. Its totient is φ = 253446600960.

The previous prime is 551397219619. The next prime is 551397219649. The reversal of 551397219622 is 226912793155.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 551397219622.

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, 188574879 + ... + 188577802.

It is an arithmetic number, because the mean of its divisors is an integer number (56007173277).

Almost surely, 2^551397219622 is an apocalyptic number.

551397219622 is a deficient number, since it is larger than the sum of its proper divisors (344717552810).

551397219622 is a wasteful number, since it uses less digits than its factorization.

551397219622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377152743.

The product of its digits is 2041200, while the sum is 52.

The spelling of 551397219622 in words is "five hundred fifty-one billion, three hundred ninety-seven million, two hundred nineteen thousand, six hundred twenty-two".