9749220425045 has 32 divisors (see below), whose sum is σ = 12227920358400. Its totient is φ = 7447933304064.

The previous prime is 9749220425041. The next prime is 9749220425059. The reversal of 9749220425045 is 5405240229479.

It is a cyclic number.

It is not a de Polignac number, because 9749220425045 - 2² = 9749220425041 is a prime.

It is a super-2 number, since 2×9749220425045² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9749220425041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 402200036 + ... + 402224274.

It is an arithmetic number, because the mean of its divisors is an integer number (382122511200).

Almost surely, 2^{9749220425045} is an apocalyptic number.

It is an amenable number.

9749220425045 is a deficient number, since it is larger than the sum of its proper divisors (2478699933355).

9749220425045 is a wasteful number, since it uses less digits than its factorization.

9749220425045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29909.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 9749220425045 in words is "nine trillion, seven hundred forty-nine billion, two hundred twenty million, four hundred twenty-five thousand, forty-five".