949191505380 has 48 divisors (see below), whose sum is σ = 2953040240640. Its totient is φ = 253117734624.

The previous prime is 949191505363. The next prime is 949191505391. The reversal of 949191505380 is 83505191949.

949191505380 is a `hidden beast` number, since 9 + 4 + 91 + 9 + 15 + 0 + 538 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 878880484 + ... + 878881563.

It is an arithmetic number, because the mean of its divisors is an integer number (61521671680).

Almost surely, 2^949191505380 is an apocalyptic number.

949191505380 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

949191505380 is an abundant number, since it is smaller than the sum of its proper divisors (2003848735260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

949191505380 is a wasteful number, since it uses less digits than its factorization.

949191505380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757762065 (or 1757762057 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 54.

The spelling of 949191505380 in words is "nine hundred forty-nine billion, one hundred ninety-one million, five hundred five thousand, three hundred eighty".