2151342097 has 8 divisors (see below), whose sum is σ = 2212629800. Its totient is φ = 2090219904.

The previous prime is 2151342091. The next prime is 2151342121. The reversal of 2151342097 is 7902431512.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 912583681 + 1238758416 = 30209^2 + 35196^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2151342097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151342091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14772 + ... + 67237.

It is an arithmetic number, because the mean of its divisors is an integer number (276578725).

Almost surely, 2^2151342097 is an apocalyptic number.

It is an amenable number.

2151342097 is a deficient number, since it is larger than the sum of its proper divisors (61287703).

2151342097 is an equidigital number, since it uses as much as digits as its factorization.

2151342097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82755.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2151342097 is about 46382.5624238248. The cubic root of 2151342097 is about 1290.9313821430.

The spelling of 2151342097 in words is "two billion, one hundred fifty-one million, three hundred forty-two thousand, ninety-seven".