2051952542 has 8 divisors (see below), whose sum is σ = 3078132600. Its totient is φ = 1025908344.

The previous prime is 2051952541. The next prime is 2051952599. The reversal of 2051952542 is 2452591502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051952541) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22709 + ... + 67967.

It is an arithmetic number, because the mean of its divisors is an integer number (384766575).

Almost surely, 2^2051952542 is an apocalyptic number.

2051952542 is a deficient number, since it is larger than the sum of its proper divisors (1026180058).

2051952542 is a wasteful number, since it uses less digits than its factorization.

2051952542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67930.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 2051952542 is about 45298.4827781240. The cubic root of 2051952542 is about 1270.7372787236.

The spelling of 2051952542 in words is "two billion, fifty-one million, nine hundred fifty-two thousand, five hundred forty-two".