3664274242 has 4 divisors (see below), whose sum is σ = 5496411366. Its totient is φ = 1832137120.

The previous prime is 3664274221. The next prime is 3664274249. The reversal of 3664274242 is 2424724663.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 3134768121 + 529506121 = 55989^2 + 23011^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3664274195 and 3664274204.

It is not an unprimeable number, because it can be changed into a prime (3664274249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 916068559 + ... + 916068562.

Almost surely, 2^3664274242 is an apocalyptic number.

3664274242 is a deficient number, since it is larger than the sum of its proper divisors (1832137124).

3664274242 is a wasteful number, since it uses less digits than its factorization.

3664274242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832137123.

The product of its digits is 387072, while the sum is 40.

The square root of 3664274242 is about 60533.2490619825. The cubic root of 3664274242 is about 1541.6862176058.

The spelling of 3664274242 in words is "three billion, six hundred sixty-four million, two hundred seventy-four thousand, two hundred forty-two".