6985963501 has 4 divisors (see below), whose sum is σ = 7621051104. Its totient is φ = 6350875900.

The previous prime is 6985963483. The next prime is 6985963507. The reversal of 6985963501 is 1053695896.

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.

It is a cyclic number.

It is not a de Polignac number, because 6985963501 - 2²⁵ = 6952409069 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 (6985963507) 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, 317543785 + ... + 317543806.

It is an arithmetic number, because the mean of its divisors is an integer number (1905262776).

Almost surely, 2^6985963501 is an apocalyptic number.

It is an amenable number.

6985963501 is a deficient number, since it is larger than the sum of its proper divisors (635087603).

6985963501 is a wasteful number, since it uses less digits than its factorization.

6985963501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635087602.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The square root of 6985963501 is about 83582.0764338862. The cubic root of 6985963501 is about 1911.6517149679.

The spelling of 6985963501 in words is "six billion, nine hundred eighty-five million, nine hundred sixty-three thousand, five hundred one".