3675748506949 has 2 divisors, whose sum is σ = 3675748506950. Its totient is φ = 3675748506948.

The previous prime is 3675748506943. The next prime is 3675748506967. The reversal of 3675748506949 is 9496058475763.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2818537322500 + 857211184449 = 1678850^2 + 925857^2 .

It is a cyclic number.

It is not a de Polignac number, because 3675748506949 - 2¹⁷ = 3675748375877 is a prime.

It is a super-2 number, since 2×3675748506949² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3675748506943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1837874253474 + 1837874253475.

It is an arithmetic number, because the mean of its divisors is an integer number (1837874253475).

Almost surely, 2^{3675748506949} is an apocalyptic number.

It is an amenable number.

3675748506949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3675748506949 is an equidigital number, since it uses as much as digits as its factorization.

3675748506949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1371686400, while the sum is 73.

The spelling of 3675748506949 in words is "three trillion, six hundred seventy-five billion, seven hundred forty-eight million, five hundred six thousand, nine hundred forty-nine".