5198356104621 has 16 divisors (see below), whose sum is σ = 7338901651200. Its totient is φ = 3261693201408.

The previous prime is 5198356104593. The next prime is 5198356104679. The reversal of 5198356104621 is 1264016538915.

It is not a de Polignac number, because 5198356104621 - 2¹³ = 5198356096429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5198396104621) 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, 16072620 + ... + 16392858.

It is an arithmetic number, because the mean of its divisors is an integer number (458681353200).

Almost surely, 2^{5198356104621} is an apocalyptic number.

5198356104621 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5198356104621 is a deficient number, since it is larger than the sum of its proper divisors (2140545546579).

5198356104621 is a wasteful number, since it uses less digits than its factorization.

5198356104621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638548.

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 5198356104621 in words is "five trillion, one hundred ninety-eight billion, three hundred fifty-six million, one hundred four thousand, six hundred twenty-one".