3654342251 has 4 divisors (see below), whose sum is σ = 4176391152. Its totient is φ = 3132293352.

The previous prime is 3654342227. The next prime is 3654342269. The reversal of 3654342251 is 1522434563.

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

It is a cyclic number.

It is not a de Polignac number, because 3654342251 - 2¹⁴ = 3654325867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3654302251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261024440 + ... + 261024453.

It is an arithmetic number, because the mean of its divisors is an integer number (1044097788).

Almost surely, 2^3654342251 is an apocalyptic number.

3654342251 is a deficient number, since it is larger than the sum of its proper divisors (522048901).

3654342251 is an equidigital number, since it uses as much as digits as its factorization.

3654342251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522048900.

The product of its digits is 86400, while the sum is 35.

The square root of 3654342251 is about 60451.1559111983. The cubic root of 3654342251 is about 1540.2920471311.

The spelling of 3654342251 in words is "three billion, six hundred fifty-four million, three hundred forty-two thousand, two hundred fifty-one".