537720221536130 has 8 divisors (see below), whose sum is σ = 967896398765052. Its totient is φ = 215088088614448.

The previous prime is 537720221536117. The next prime is 537720221536177. The reversal of 537720221536130 is 31635122027735.

It can be written as a sum of positive squares in 2 ways, for example, as 530723503528969 + 6996718007161 = 23037437^2 + 2645131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26886011076797 + ... + 26886011076816.

Almost surely, 2^{537720221536130} is an apocalyptic number.

537720221536130 is a deficient number, since it is larger than the sum of its proper divisors (430176177228922).

537720221536130 is a wasteful number, since it uses less digits than its factorization.

537720221536130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53772022153620.

The product of its (nonzero) digits is 1587600, while the sum is 47.

The spelling of 537720221536130 in words is "five hundred thirty-seven trillion, seven hundred twenty billion, two hundred twenty-one million, five hundred thirty-six thousand, one hundred thirty".