2148351954 has 32 divisors (see below), whose sum is σ = 4965701760. Its totient is φ = 606916992.

The previous prime is 2148351949. The next prime is 2148351971. The reversal of 2148351954 is 4591538412.

It is a super-2 number, since 2×2148351954² = 9230832236511236232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 283629 + ... + 291104.

It is an arithmetic number, because the mean of its divisors is an integer number (155178180).

Almost surely, 2^2148351954 is an apocalyptic number.

2148351954 is an abundant number, since it is smaller than the sum of its proper divisors (2817349806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2148351954 is a wasteful number, since it uses less digits than its factorization.

2148351954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574834.

The product of its digits is 172800, while the sum is 42.

The square root of 2148351954 is about 46350.3177335388. The cubic root of 2148351954 is about 1290.3330178028. Note that the first 3 decimals are identical.

It can be divided in two parts, 21483 and 51954, that added together give a palindrome (73437).

The spelling of 2148351954 in words is "two billion, one hundred forty-eight million, three hundred fifty-one thousand, nine hundred fifty-four".