6958257485 has 4 divisors (see below), whose sum is σ = 8349908988. Its totient is φ = 5566605984.

The previous prime is 6958257433. The next prime is 6958257487. The reversal of 6958257485 is 5847528596.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2366433316 + 4591824169 = 48646^2 + 67763^2 .

It is a cyclic number.

It is not a de Polignac number, because 6958257485 - 2¹² = 6958253389 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 (6958257487) 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, 695825744 + ... + 695825753.

It is an arithmetic number, because the mean of its divisors is an integer number (2087477247).

Almost surely, 2^6958257485 is an apocalyptic number.

It is an amenable number.

6958257485 is a deficient number, since it is larger than the sum of its proper divisors (1391651503).

6958257485 is a wasteful number, since it uses less digits than its factorization.

6958257485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391651502.

The product of its digits is 24192000, while the sum is 59.

The square root of 6958257485 is about 83416.1704047842. The cubic root of 6958257485 is about 1909.1211918879.

The spelling of 6958257485 in words is "six billion, nine hundred fifty-eight million, two hundred fifty-seven thousand, four hundred eighty-five".