2142594951 has 16 divisors (see below), whose sum is σ = 3304245504. Its totient is φ = 1209587904.

The previous prime is 2142594947. The next prime is 2142594959. The reversal of 2142594951 is 1594952412.

It is not a de Polignac number, because 2142594951 - 2² = 2142594947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142594959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612886 + ... + 616371.

It is an arithmetic number, because the mean of its divisors is an integer number (206515344).

Almost surely, 2^2142594951 is an apocalyptic number.

2142594951 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2142594951 is a deficient number, since it is larger than the sum of its proper divisors (1161650553).

2142594951 is a wasteful number, since it uses less digits than its factorization.

2142594951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229350.

The product of its digits is 129600, while the sum is 42.

The square root of 2142594951 is about 46288.1729062619. The cubic root of 2142594951 is about 1289.1794054022.

The spelling of 2142594951 in words is "two billion, one hundred forty-two million, five hundred ninety-four thousand, nine hundred fifty-one".