3612409857 has 24 divisors (see below), whose sum is σ = 5979991680. Its totient is φ = 2058471360.

The previous prime is 3612409807. The next prime is 3612409873. The reversal of 3612409857 is 7589042163.

3612409857 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3612409857 - 2¹⁶ = 3612344321 is a prime.

3612409857 is strictly pandigital in base 10.

It is not an unprimeable number, because it can be changed into a prime (3612409807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57244 + ... + 102477.

It is an arithmetic number, because the mean of its divisors is an integer number (249166320).

It is a 1-persistent number, because it is pandigital, but 2⋅3612409857 = 7224819714 is not.

It is a Proth number, since it is equal to 55121 ⋅ 2¹⁶ + 1 and 55121 < 2¹⁶.

Almost surely, 2^3612409857 is an apocalyptic number.

It is an amenable number.

3612409857 is a deficient number, since it is larger than the sum of its proper divisors (2367581823).

3612409857 is a wasteful number, since it uses less digits than its factorization.

3612409857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160093 (or 160090 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 3612409857 is about 60103.3265052776. The cubic root of 3612409857 is about 1534.3779173843.

The spelling of 3612409857 in words is "three billion, six hundred twelve million, four hundred nine thousand, eight hundred fifty-seven".