6901989236 has 24 divisors (see below), whose sum is σ = 12479733504. Its totient is φ = 3338185760.

The previous prime is 6901989217. The next prime is 6901989317. The reversal of 6901989236 is 6329891096.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214220 + ... + 244323.

It is an arithmetic number, because the mean of its divisors is an integer number (519988896).

Almost surely, 2^6901989236 is an apocalyptic number.

It is an amenable number.

6901989236 is a deficient number, since it is larger than the sum of its proper divisors (5577744268).

6901989236 is a wasteful number, since it uses less digits than its factorization.

6901989236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458671 (or 458669 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 53.

The square root of 6901989236 is about 83078.2115599511. The cubic root of 6901989236 is about 1903.9611943489.

The spelling of 6901989236 in words is "six billion, nine hundred one million, nine hundred eighty-nine thousand, two hundred thirty-six".