97149491458 has 8 divisors (see below), whose sum is σ = 145727093520. Its totient is φ = 48573793620.

The previous prime is 97149491449. The next prime is 97149491497. The reversal of 97149491458 is 85419494179.

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

It is a junction number, because it is equal to n+sod(n) for n = 97149491396 and 97149491405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340828 + ... + 557191.

It is an arithmetic number, because the mean of its divisors is an integer number (18215886690).

Almost surely, 2^97149491458 is an apocalyptic number.

97149491458 is a deficient number, since it is larger than the sum of its proper divisors (48577602062).

97149491458 is a wasteful number, since it uses less digits than its factorization.

97149491458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952112.

The product of its digits is 13063680, while the sum is 61.

The spelling of 97149491458 in words is "ninety-seven billion, one hundred forty-nine million, four hundred ninety-one thousand, four hundred fifty-eight".