981357095 has 4 divisors (see below), whose sum is σ = 1177628520. Its totient is φ = 785085672.

The previous prime is 981357059. The next prime is 981357103. The reversal of 981357095 is 590753189.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-981357095 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98135705 + ... + 98135714.

It is an arithmetic number, because the mean of its divisors is an integer number (294407130).

Almost surely, 2^981357095 is an apocalyptic number.

981357095 is a deficient number, since it is larger than the sum of its proper divisors (196271425).

981357095 is a wasteful number, since it uses less digits than its factorization.

981357095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196271424.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 981357095 is about 31326.6195910124. The cubic root of 981357095 is about 993.7466757797.

The spelling of 981357095 in words is "nine hundred eighty-one million, three hundred fifty-seven thousand, ninety-five".