1453542644650 has 12 divisors (see below), whose sum is σ = 2703589319142. Its totient is φ = 581417057840.

The previous prime is 1453542644639. The next prime is 1453542644651. The reversal of 1453542644650 is 564462453541.

It can be written as a sum of positive squares in 3 ways, for example, as 1174368844489 + 279173800161 = 1083683^2 + 528369^2 .

It is a super-2 number, since 2×1453542644650² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1453542644594 and 1453542644603.

It is not an unprimeable number, because it can be changed into a prime (1453542644651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14535426397 + ... + 14535426496.

Almost surely, 2^{1453542644650} is an apocalyptic number.

1453542644650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1453542644650 is a deficient number, since it is larger than the sum of its proper divisors (1250046674492).

1453542644650 is a wasteful number, since it uses less digits than its factorization.

1453542644650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29070852905 (or 29070852900 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 49.

The spelling of 1453542644650 in words is "one trillion, four hundred fifty-three billion, five hundred forty-two million, six hundred forty-four thousand, six hundred fifty".