3654409716078 has 32 divisors (see below), whose sum is σ = 7973329364352. Its totient is φ = 1107386911200.

The previous prime is 3654409716073. The next prime is 3654409716091. The reversal of 3654409716078 is 8706179044563.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654409716073) 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, 10851600 + ... + 11183292.

It is an arithmetic number, because the mean of its divisors is an integer number (249166542636).

Almost surely, 2^{3654409716078} is an apocalyptic number.

3654409716078 is an abundant number, since it is smaller than the sum of its proper divisors (4318919648274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3654409716078 is a wasteful number, since it uses less digits than its factorization.

3654409716078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498640.

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 3654409716078 in words is "three trillion, six hundred fifty-four billion, four hundred nine million, seven hundred sixteen thousand, seventy-eight".