10454266538 has 4 divisors (see below), whose sum is σ = 15681399810. Its totient is φ = 5227133268.

The previous prime is 10454266531. The next prime is 10454266547. The reversal of 10454266538 is 83566245401.

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., 8212528129 + 2241738409 = 90623^2 + 47347^2 .

It is a super-3 number, since 3×10454266538³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (10454266531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2613566633 + ... + 2613566636.

Almost surely, 2^10454266538 is an apocalyptic number.

10454266538 is a deficient number, since it is larger than the sum of its proper divisors (5227133272).

10454266538 is an equidigital number, since it uses as much as digits as its factorization.

10454266538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227133271.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 10454266538 in words is "ten billion, four hundred fifty-four million, two hundred sixty-six thousand, five hundred thirty-eight".