1253553612069 has 64 divisors (see below), whose sum is σ = 1898496737280. Its totient is φ = 729053680320.

The previous prime is 1253553612053. The next prime is 1253553612137. The reversal of 1253553612069 is 9602163553521.

It is not a de Polignac number, because 1253553612069 - 2⁴ = 1253553612053 is a prime.

It is a super-2 number, since 2×1253553612069² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253553612049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 191466654 + ... + 191473200.

It is an arithmetic number, because the mean of its divisors is an integer number (29664011520).

Almost surely, 2^{1253553612069} is an apocalyptic number.

It is an amenable number.

1253553612069 is a deficient number, since it is larger than the sum of its proper divisors (644943125211).

1253553612069 is a wasteful number, since it uses less digits than its factorization.

1253553612069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8950.

The product of its (nonzero) digits is 1458000, while the sum is 48.

The spelling of 1253553612069 in words is "one trillion, two hundred fifty-three billion, five hundred fifty-three million, six hundred twelve thousand, sixty-nine".