2311969754490 has 128 divisors (see below), whose sum is σ = 6072371712000. Its totient is φ = 558700746240.

The previous prime is 2311969754477. The next prime is 2311969754533. The reversal of 2311969754490 is 944579691132.

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 63 ways as a sum of consecutive naturals, for example, 177169486 + ... + 177182534.

It is an arithmetic number, because the mean of its divisors is an integer number (47440404000).

Almost surely, 2^{2311969754490} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2311969754490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3036185856000).

2311969754490 is an abundant number, since it is smaller than the sum of its proper divisors (3760401957510).

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

2311969754490 is a wasteful number, since it uses less digits than its factorization.

2311969754490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14732.

The product of its (nonzero) digits is 14696640, while the sum is 60.

The spelling of 2311969754490 in words is "two trillion, three hundred eleven billion, nine hundred sixty-nine million, seven hundred fifty-four thousand, four hundred ninety".