3654984850998 has 128 divisors (see below), whose sum is σ = 8248407552000. Its totient is φ = 1071286964352.

The previous prime is 3654984850997. The next prime is 3654984851027. The reversal of 3654984850998 is 8990584894563.

It is a super-2 number, since 2×3654984850998² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654984850997) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 891675153 + ... + 891679251.

It is an arithmetic number, because the mean of its divisors is an integer number (64440684000).

Almost surely, 2^{3654984850998} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3654984850998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4124203776000).

3654984850998 is an abundant number, since it is smaller than the sum of its proper divisors (4593422701002).

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

3654984850998 is a wasteful number, since it uses less digits than its factorization.

3654984850998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6066.

The product of its (nonzero) digits is 2687385600, while the sum is 78.

The spelling of 3654984850998 in words is "three trillion, six hundred fifty-four billion, nine hundred eighty-four million, eight hundred fifty thousand, nine hundred ninety-eight".