613250157655 has 4 divisors (see below), whose sum is σ = 735900189192. Its totient is φ = 490600126120.

The previous prime is 613250157649. The next prime is 613250157683. The reversal of 613250157655 is 556751052316.

It is a happy number.

613250157655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 613250157655 - 2²³ = 613241769047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61325015761 + ... + 61325015770.

It is an arithmetic number, because the mean of its divisors is an integer number (183975047298).

Almost surely, 2^613250157655 is an apocalyptic number.

613250157655 is a deficient number, since it is larger than the sum of its proper divisors (122650031537).

613250157655 is a wasteful number, since it uses less digits than its factorization.

613250157655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122650031536.

The product of its (nonzero) digits is 945000, while the sum is 46.

The spelling of 613250157655 in words is "six hundred thirteen billion, two hundred fifty million, one hundred fifty-seven thousand, six hundred fifty-five".