2945021053283 has 4 divisors (see below), whose sum is σ = 3073065446928. Its totient is φ = 2816976659640.

The previous prime is 2945021053217. The next prime is 2945021053297. The reversal of 2945021053283 is 3823501205492.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2945021053283 - 2³⁸ = 2670143146339 is a prime.

It is a super-2 number, since 2×2945021053283² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2945021053483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64022196788 + ... + 64022196833.

It is an arithmetic number, because the mean of its divisors is an integer number (768266361732).

Almost surely, 2^{2945021053283} is an apocalyptic number.

2945021053283 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2945021053283 is a deficient number, since it is larger than the sum of its proper divisors (128044393645).

2945021053283 is a wasteful number, since it uses less digits than its factorization.

2945021053283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128044393644.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 2945021053283 in words is "two trillion, nine hundred forty-five billion, twenty-one million, fifty-three thousand, two hundred eighty-three".