2391452106437 has 8 divisors (see below), whose sum is σ = 2463314911512. Its totient is φ = 2320233811200.

The previous prime is 2391452106427. The next prime is 2391452106467. The reversal of 2391452106437 is 7346012541932.

It can be written as a sum of positive squares in 4 ways, for example, as 684473274241 + 1706978832196 = 827329^2 + 1306514^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2391452106437 - 2²⁴ = 2391435329221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2391452106391 and 2391452106400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391452106427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161119928 + ... + 161134769.

It is an arithmetic number, because the mean of its divisors is an integer number (307914363939).

Almost surely, 2^{2391452106437} is an apocalyptic number.

It is an amenable number.

2391452106437 is a deficient number, since it is larger than the sum of its proper divisors (71862805075).

2391452106437 is a wasteful number, since it uses less digits than its factorization.

2391452106437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322254919.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 2391452106437 in words is "two trillion, three hundred ninety-one billion, four hundred fifty-two million, one hundred six thousand, four hundred thirty-seven".