613140355490 has 16 divisors (see below), whose sum is σ = 1188548997048. Its totient is φ = 226390285056.

The previous prime is 613140355469. The next prime is 613140355543. The reversal of 613140355490 is 94553041316.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 421391827609 + 191748527881 = 649147^2 + 437891^2 .

It is a Curzon number.

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, 2358232007 + ... + 2358232266.

Almost surely, 2^613140355490 is an apocalyptic number.

613140355490 is a deficient number, since it is larger than the sum of its proper divisors (575408641558).

613140355490 is a wasteful number, since it uses less digits than its factorization.

613140355490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716464293.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 613140355490 in words is "six hundred thirteen billion, one hundred forty million, three hundred fifty-five thousand, four hundred ninety".