1054620966538 has 4 divisors (see below), whose sum is σ = 1581931449810. Its totient is φ = 527310483268.

The previous prime is 1054620966457. The next prime is 1054620966551. The reversal of 1054620966538 is 8356690264501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1054188867169 + 432099369 = 1026737^2 + 20787^2 .

It is a super-2 number, since 2×1054620966538² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263655241633 + ... + 263655241636.

Almost surely, 2^{1054620966538} is an apocalyptic number.

1054620966538 is a deficient number, since it is larger than the sum of its proper divisors (527310483272).

1054620966538 is an equidigital number, since it uses as much as digits as its factorization.

1054620966538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527310483271.

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 1054620966538 in words is "one trillion, fifty-four billion, six hundred twenty million, nine hundred sixty-six thousand, five hundred thirty-eight".