3654162421 has 16 divisors (see below), whose sum is σ = 4692973824. Its totient is φ = 2765499264.

The previous prime is 3654162419. The next prime is 3654162437. The reversal of 3654162421 is 1242614563.

It is a cyclic number.

It is not a de Polignac number, because 3654162421 - 2¹ = 3654162419 is a prime.

It is a super-3 number, since 3×3654162421³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654162451) 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, 870856 + ... + 875041.

It is an arithmetic number, because the mean of its divisors is an integer number (293310864).

Almost surely, 2^3654162421 is an apocalyptic number.

It is an amenable number.

3654162421 is a deficient number, since it is larger than the sum of its proper divisors (1038811403).

3654162421 is a wasteful number, since it uses less digits than its factorization.

3654162421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745940.

The product of its digits is 34560, while the sum is 34.

The square root of 3654162421 is about 60449.6684937147. The cubic root of 3654162421 is about 1540.2667808183.

Adding to 3654162421 its reverse (1242614563), we get a palindrome (4896776984).

The spelling of 3654162421 in words is "three billion, six hundred fifty-four million, one hundred sixty-two thousand, four hundred twenty-one".