3711421643 has 8 divisors (see below), whose sum is σ = 3724866912. Its totient is φ = 3698001216.

The previous prime is 3711421579. The next prime is 3711421667. The reversal of 3711421643 is 3461241173.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3711421643 - 2⁶ = 3711421579 is a prime.

It is a super-2 number, since 2×3711421643² = 27549301224257638898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3711421673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324071 + ... + 335327.

It is an arithmetic number, because the mean of its divisors is an integer number (465608364).

Almost surely, 2^3711421643 is an apocalyptic number.

3711421643 is a deficient number, since it is larger than the sum of its proper divisors (13445269).

3711421643 is a wasteful number, since it uses less digits than its factorization.

3711421643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12421.

The product of its digits is 12096, while the sum is 32.

The square root of 3711421643 is about 60921.4382873550. The cubic root of 3711421643 is about 1548.2702372539.

The spelling of 3711421643 in words is "three billion, seven hundred eleven million, four hundred twenty-one thousand, six hundred forty-three".