19425413244797 has 32 divisors (see below), whose sum is σ = 23692112962560. Its totient is φ = 15547259554560.

The previous prime is 19425413244779. The next prime is 19425413244817. The reversal of 19425413244797 is 79744231452491.

It is a happy number.

It is not a de Polignac number, because 19425413244797 - 2⁶ = 19425413244733 is a prime.

It is a super-2 number, since 2×19425413244797² (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 (19425413244737) 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, 23192522 + ... + 24015492.

It is an arithmetic number, because the mean of its divisors is an integer number (740378530080).

Almost surely, 2^{19425413244797} is an apocalyptic number.

19425413244797 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

19425413244797 is a deficient number, since it is larger than the sum of its proper divisors (4266699717763).

19425413244797 is a wasteful number, since it uses less digits than its factorization.

19425413244797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824561.

The product of its digits is 60963840, while the sum is 62.

The spelling of 19425413244797 in words is "nineteen trillion, four hundred twenty-five billion, four hundred thirteen million, two hundred forty-four thousand, seven hundred ninety-seven".