42510213541263 has 16 divisors (see below), whose sum is σ = 61041299690336. Its totient is φ = 26159705809920.

The previous prime is 42510213541261. The next prime is 42510213541303. The reversal of 42510213541263 is 36214531201524.

It is not a de Polignac number, because 42510213541263 - 2¹ = 42510213541261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42510213541261) 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, 6430270 + ... + 11241387.

It is an arithmetic number, because the mean of its divisors is an integer number (3815081230646).

Almost surely, 2^{42510213541263} is an apocalyptic number.

42510213541263 is a deficient number, since it is larger than the sum of its proper divisors (18531086149073).

42510213541263 is a wasteful number, since it uses less digits than its factorization.

42510213541263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17733354.

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 42510213541263 its reverse (36214531201524), we get a palindrome (78724744742787).

The spelling of 42510213541263 in words is "forty-two trillion, five hundred ten billion, two hundred thirteen million, five hundred forty-one thousand, two hundred sixty-three".