3741260021 has 4 divisors (see below), whose sum is σ = 3828266112. Its totient is φ = 3654253932.

The previous prime is 3741260011. The next prime is 3741260051. The reversal of 3741260021 is 1200621473.

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: 1200621473 = 37 ⋅32449229.

It is a cyclic number.

It is not a de Polignac number, because 3741260021 - 2¹⁸ = 3740997877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3741260011) 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, 43502981 + ... + 43503066.

It is an arithmetic number, because the mean of its divisors is an integer number (957066528).

Almost surely, 2^3741260021 is an apocalyptic number.

It is an amenable number.

3741260021 is a deficient number, since it is larger than the sum of its proper divisors (87006091).

3741260021 is an equidigital number, since it uses as much as digits as its factorization.

3741260021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87006090.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 3741260021 is about 61165.8403114026. The cubic root of 3741260021 is about 1552.4083297660.

Adding to 3741260021 its reverse (1200621473), we get a palindrome (4941881494).

The spelling of 3741260021 in words is "three billion, seven hundred forty-one million, two hundred sixty thousand, twenty-one".