2154370351 has 16 divisors (see below), whose sum is σ = 2494395904. Its totient is φ = 1822531104.

The previous prime is 2154370343. The next prime is 2154370363. The reversal of 2154370351 is 1530734512.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2154370351 - 2³ = 2154370343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154370301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216481 + ... + 226213.

It is an arithmetic number, because the mean of its divisors is an integer number (155899744).

Almost surely, 2^2154370351 is an apocalyptic number.

2154370351 is a deficient number, since it is larger than the sum of its proper divisors (340025553).

2154370351 is a wasteful number, since it uses less digits than its factorization.

2154370351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10150.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 2154370351 is about 46415.1952597423. The cubic root of 2154370351 is about 1291.5368081415.

The spelling of 2154370351 in words is "two billion, one hundred fifty-four million, three hundred seventy thousand, three hundred fifty-one".