613655420235 has 128 divisors (see below), whose sum is σ = 1204865335296. Its totient is φ = 262437373440.

The previous prime is 613655420233. The next prime is 613655420249. The reversal of 613655420235 is 532024556316.

It is a happy number.

It is not a de Polignac number, because 613655420235 - 2¹ = 613655420233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (613655420233) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 53621424 + ... + 53632866.

It is an arithmetic number, because the mean of its divisors is an integer number (9413010432).

Almost surely, 2^613655420235 is an apocalyptic number.

613655420235 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

613655420235 is a deficient number, since it is larger than the sum of its proper divisors (591209915061).

613655420235 is a wasteful number, since it uses less digits than its factorization.

613655420235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12585.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 613655420235 in words is "six hundred thirteen billion, six hundred fifty-five million, four hundred twenty thousand, two hundred thirty-five".