3722469521 has 2 divisors, whose sum is σ = 3722469522. Its totient is φ = 3722469520.

The previous prime is 3722469467. The next prime is 3722469557. The reversal of 3722469521 is 1259642273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2627587600 + 1094881921 = 51260^2 + 33089^2 .

It is an emirp because it is prime and its reverse (1259642273) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3722469521 is a prime.

It is not a weakly prime, because it can be changed into another prime (3722462521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861234760 + 1861234761.

It is an arithmetic number, because the mean of its divisors is an integer number (1861234761).

Almost surely, 2^3722469521 is an apocalyptic number.

It is an amenable number.

3722469521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3722469521 is an equidigital number, since it uses as much as digits as its factorization.

3722469521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 3722469521 is about 61012.0440650860. The cubic root of 3722469521 is about 1549.8049731727.

The spelling of 3722469521 in words is "three billion, seven hundred twenty-two million, four hundred sixty-nine thousand, five hundred twenty-one".