19497303614949 has 16 divisors (see below), whose sum is σ = 27635573657280. Its totient is φ = 12192164841600.

The previous prime is 19497303614941. The next prime is 19497303614981. The reversal of 19497303614949 is 94941630379491.

It is not a de Polignac number, because 19497303614949 - 2³ = 19497303614941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19497303614941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1693350472 + ... + 1693361985.

It is an arithmetic number, because the mean of its divisors is an integer number (1727223353580).

Almost surely, 2^{19497303614949} is an apocalyptic number.

19497303614949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

19497303614949 is a deficient number, since it is larger than the sum of its proper divisors (8138270042331).

19497303614949 is a wasteful number, since it uses less digits than its factorization.

19497303614949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386712580.

The product of its (nonzero) digits is 158723712, while the sum is 69.

The spelling of 19497303614949 in words is "nineteen trillion, four hundred ninety-seven billion, three hundred three million, six hundred fourteen thousand, nine hundred forty-nine".