2054149047 has 24 divisors (see below), whose sum is σ = 3028371840. Its totient is φ = 1341386640.

The previous prime is 2054148979. The next prime is 2054149079. The reversal of 2054149047 is 7409414502.

It is a happy number.

2054149047 is a `hidden beast` number, since 20 + 541 + 4 + 90 + 4 + 7 = 666.

It is not a de Polignac number, because 2054149047 - 2¹¹ = 2054146999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054149247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98422 + ... + 117452.

It is an arithmetic number, because the mean of its divisors is an integer number (126182160).

Almost surely, 2^2054149047 is an apocalyptic number.

2054149047 is a deficient number, since it is larger than the sum of its proper divisors (974222793).

2054149047 is a wasteful number, since it uses less digits than its factorization.

2054149047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19283 (or 19280 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2054149047 is about 45322.7210899787. The cubic root of 2054149047 is about 1271.1905357044.

The spelling of 2054149047 in words is "two billion, fifty-four million, one hundred forty-nine thousand, forty-seven".