6951541949 has 4 divisors (see below), whose sum is σ = 7583500320. Its totient is φ = 6319583580.

The previous prime is 6951541943. The next prime is 6951541973. The reversal of 6951541949 is 9491451596.

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 a de Polignac number, because none of the positive numbers 2^k-6951541949 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6951541949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6951541943) 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, 315979169 + ... + 315979190.

It is an arithmetic number, because the mean of its divisors is an integer number (1895875080).

Almost surely, 2^6951541949 is an apocalyptic number.

It is an amenable number.

6951541949 is a deficient number, since it is larger than the sum of its proper divisors (631958371).

6951541949 is a wasteful number, since it uses less digits than its factorization.

6951541949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631958370.

The product of its digits is 1749600, while the sum is 53.

The square root of 6951541949 is about 83375.9074853162. The cubic root of 6951541949 is about 1908.5068187803.

The spelling of 6951541949 in words is "six billion, nine hundred fifty-one million, five hundred forty-one thousand, nine hundred forty-nine".