2981432085 has 32 divisors (see below), whose sum is σ = 4797118080. Its totient is φ = 1581186048.

The previous prime is 2981432053. The next prime is 2981432107. The reversal of 2981432085 is 5802341892.

It is not a de Polignac number, because 2981432085 - 2⁵ = 2981432053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2717257 + ... + 2718353.

It is an arithmetic number, because the mean of its divisors is an integer number (149909940).

Almost surely, 2^2981432085 is an apocalyptic number.

It is an amenable number.

2981432085 is a deficient number, since it is larger than the sum of its proper divisors (1815685995).

2981432085 is a wasteful number, since it uses less digits than its factorization.

2981432085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 2981432085 is about 54602.4915640303. The cubic root of 2981432085 is about 1439.2679028450.

The spelling of 2981432085 in words is "two billion, nine hundred eighty-one million, four hundred thirty-two thousand, eighty-five".