2132321455 has 32 divisors (see below), whose sum is σ = 2942496000. Its totient is φ = 1467072000.

The previous prime is 2132321449. The next prime is 2132321473. The reversal of 2132321455 is 5541232312.

It is not a de Polignac number, because 2132321455 - 2³ = 2132321447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1254196 + ... + 1255894.

It is an arithmetic number, because the mean of its divisors is an integer number (91953000).

Almost surely, 2^2132321455 is an apocalyptic number.

2132321455 is a deficient number, since it is larger than the sum of its proper divisors (810174545).

2132321455 is a wasteful number, since it uses less digits than its factorization.

2132321455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935.

The product of its digits is 7200, while the sum is 28.

The square root of 2132321455 is about 46177.0663316759. The cubic root of 2132321455 is about 1287.1156144131.

Adding to 2132321455 its reverse (5541232312), we get a palindrome (7673553767).

It can be divided in two parts, 21323 and 21455, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 2132321455 in words is "two billion, one hundred thirty-two million, three hundred twenty-one thousand, four hundred fifty-five".