149698005497 has 8 divisors (see below), whose sum is σ = 150119880000. Its totient is φ = 149276619504.

The previous prime is 149698005491. The next prime is 149698005503. The reversal of 149698005497 is 794500896941.

It is an interprime number because it is at equal distance from previous prime (149698005491) and next prime (149698005503).

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-149698005497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149698005491) 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, 496004 + ... + 738522.

It is an arithmetic number, because the mean of its divisors is an integer number (18764985000).

Almost surely, 2^149698005497 is an apocalyptic number.

It is an amenable number.

149698005497 is a deficient number, since it is larger than the sum of its proper divisors (421874503).

149698005497 is a wasteful number, since it uses less digits than its factorization.

149698005497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244255.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 149698005497 in words is "one hundred forty-nine billion, six hundred ninety-eight million, five thousand, four hundred ninety-seven".