1617610049 has 16 divisors (see below), whose sum is σ = 1872199680. Its totient is φ = 1382164560.

The previous prime is 1617610019. The next prime is 1617610073. The reversal of 1617610049 is 9400167161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1617610049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1617610019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3929 + ... + 57014.

It is an arithmetic number, because the mean of its divisors is an integer number (117012480).

Almost surely, 2^1617610049 is an apocalyptic number.

1617610049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1617610049 is a deficient number, since it is larger than the sum of its proper divisors (254589631).

1617610049 is a wasteful number, since it uses less digits than its factorization.

1617610049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61100.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1617610049 is about 40219.5232318833. The cubic root of 1617610049 is about 1173.8824561360.

The spelling of 1617610049 in words is "one billion, six hundred seventeen million, six hundred ten thousand, forty-nine".