3654345240146 has 4 divisors (see below), whose sum is σ = 5481517860222. Its totient is φ = 1827172620072.

The previous prime is 3654345240131. The next prime is 3654345240163. The reversal of 3654345240146 is 6410425434563.

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

It can be written as a sum of positive squares in only one way, i.e., 2485859908921 + 1168485331225 = 1576661^2 + 1080965^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3654345240146.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 913586310035 + ... + 913586310038.

Almost surely, 2^{3654345240146} is an apocalyptic number.

3654345240146 is a deficient number, since it is larger than the sum of its proper divisors (1827172620076).

3654345240146 is a wasteful number, since it uses less digits than its factorization.

3654345240146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827172620075.

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 3654345240146 in words is "three trillion, six hundred fifty-four billion, three hundred forty-five million, two hundred forty thousand, one hundred forty-six".