2651494692 has 192 divisors, whose sum is σ = 8308500480. Its totient is φ = 636979200.

The previous prime is 2651494687. The next prime is 2651494693. The reversal of 2651494692 is 2964941562.

It is not an unprimeable number, because it can be changed into a prime (2651494693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 925342 + ... + 928202.

It is an arithmetic number, because the mean of its divisors is an integer number (43273440).

Almost surely, 2^2651494692 is an apocalyptic number.

2651494692 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2651494692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4154250240).

2651494692 is an abundant number, since it is smaller than the sum of its proper divisors (5657005788).

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

2651494692 is a wasteful number, since it uses less digits than its factorization.

2651494692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962 (or 2960 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 2651494692 is about 51492.6663904677. Note that the first 3 decimals coincide. The cubic root of 2651494692 is about 1384.0876303286.

The spelling of 2651494692 in words is "two billion, six hundred fifty-one million, four hundred ninety-four thousand, six hundred ninety-two".