2782150945 has 16 divisors (see below), whose sum is σ = 3822398208. Its totient is φ = 1904322240.

The previous prime is 2782150939. The next prime is 2782150957. The reversal of 2782150945 is 5490512872.

It is not a de Polignac number, because 2782150945 - 2³ = 2782150937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51861 + ... + 90850.

It is an arithmetic number, because the mean of its divisors is an integer number (238899888).

Almost surely, 2^2782150945 is an apocalyptic number.

It is an amenable number.

2782150945 is a deficient number, since it is larger than the sum of its proper divisors (1040247263).

2782150945 is a wasteful number, since it uses less digits than its factorization.

2782150945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143280.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 2782150945 is about 52746.0988604845. The cubic root of 2782150945 is about 1406.4584164644.

The spelling of 2782150945 in words is "two billion, seven hundred eighty-two million, one hundred fifty thousand, nine hundred forty-five".