613378458402 has 16 divisors (see below), whose sum is σ = 1291323070560. Its totient is φ = 193698460512.

The previous prime is 613378458397. The next prime is 613378458419. The reversal of 613378458402 is 204854873316.

It is a happy number.

It is a super-2 number, since 2×613378458402² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2690256283 + ... + 2690256510.

It is an arithmetic number, because the mean of its divisors is an integer number (80707691910).

Almost surely, 2^613378458402 is an apocalyptic number.

613378458402 is an abundant number, since it is smaller than the sum of its proper divisors (677944612158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613378458402 is a wasteful number, since it uses less digits than its factorization.

613378458402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5380512817.

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 613378458402 in words is "six hundred thirteen billion, three hundred seventy-eight million, four hundred fifty-eight thousand, four hundred two".