3621676457 has 4 divisors (see below), whose sum is σ = 4139058816. Its totient is φ = 3104294100.

The previous prime is 3621676453. The next prime is 3621676489. The reversal of 3621676457 is 7546761263.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7546761263 = 29 ⋅260233147.

It is a cyclic number.

It is not a de Polignac number, because 3621676457 - 2² = 3621676453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3621676453) 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, 258691169 + ... + 258691182.

It is an arithmetic number, because the mean of its divisors is an integer number (1034764704).

Almost surely, 2^3621676457 is an apocalyptic number.

It is an amenable number.

3621676457 is a deficient number, since it is larger than the sum of its proper divisors (517382359).

3621676457 is an equidigital number, since it uses as much as digits as its factorization.

3621676457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517382358.

The product of its digits is 1270080, while the sum is 47.

The square root of 3621676457 is about 60180.3660424228. The cubic root of 3621676457 is about 1535.6887990830.

The spelling of 3621676457 in words is "three billion, six hundred twenty-one million, six hundred seventy-six thousand, four hundred fifty-seven".