653251366352542 has 16 divisors (see below), whose sum is σ = 980054784479232. Its totient is φ = 326566442777400.

The previous prime is 653251366352539. The next prime is 653251366352549. The reversal of 653251366352542 is 245253663152356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653251366352549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287122443 + ... + 289388665.

It is an arithmetic number, because the mean of its divisors is an integer number (61253424029952).

Almost surely, 2^{653251366352542} is an apocalyptic number.

653251366352542 is a deficient number, since it is larger than the sum of its proper divisors (326803418126690).

653251366352542 is a wasteful number, since it uses less digits than its factorization.

653251366352542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292303.

The product of its digits is 116640000, while the sum is 58.

The spelling of 653251366352542 in words is "six hundred fifty-three trillion, two hundred fifty-one billion, three hundred sixty-six million, three hundred fifty-two thousand, five hundred forty-two".