263104561421053 has 16 divisors (see below), whose sum is σ = 290956016054016. Its totient is φ = 235908606435840.

The previous prime is 263104561421011. The next prime is 263104561421081. The reversal of 263104561421053 is 350124165401362.

It is a cyclic number.

It is not a de Polignac number, because 263104561421053 - 2⁴¹ = 260905538165501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263104561421083) 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, 381640300 + ... + 382329082.

It is an arithmetic number, because the mean of its divisors is an integer number (18184751003376).

Almost surely, 2^{263104561421053} is an apocalyptic number.

It is an amenable number.

263104561421053 is a deficient number, since it is larger than the sum of its proper divisors (27851454632963).

263104561421053 is a wasteful number, since it uses less digits than its factorization.

263104561421053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164564.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 263104561421053 in words is "two hundred sixty-three trillion, one hundred four billion, five hundred sixty-one million, four hundred twenty-one thousand, fifty-three".