949091651 has 4 divisors (see below), whose sum is σ = 949194312. Its totient is φ = 948988992.

The previous prime is 949091621. The next prime is 949091681. The reversal of 949091651 is 156190949.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (949091621) and next prime (949091681).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-949091651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (949091621) 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, 35921 + ... + 56466.

It is an arithmetic number, because the mean of its divisors is an integer number (237298578).

Almost surely, 2^949091651 is an apocalyptic number.

949091651 is a deficient number, since it is larger than the sum of its proper divisors (102661).

949091651 is a wasteful number, since it uses less digits than its factorization.

949091651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102660.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 949091651 is about 30807.3311242633. The cubic root of 949091651 is about 982.7341566913.

The spelling of 949091651 in words is "nine hundred forty-nine million, ninety-one thousand, six hundred fifty-one".