197952915263 has 8 divisors (see below), whose sum is σ = 201342946560. Its totient is φ = 194564047320.

The previous prime is 197952915257. The next prime is 197952915287. The reversal of 197952915263 is 362519259791.

It is a happy number.

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 197952915263 - 2¹⁴ = 197952898879 is a prime.

It is a super-2 number, since 2×197952915263² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197952918263) 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, 55898 + ... + 631688.

It is an arithmetic number, because the mean of its divisors is an integer number (25167868320).

Almost surely, 2^197952915263 is an apocalyptic number.

197952915263 is a deficient number, since it is larger than the sum of its proper divisors (3390031297).

197952915263 is an equidigital number, since it uses as much as digits as its factorization.

197952915263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581677.

The product of its digits is 9185400, while the sum is 59.

The spelling of 197952915263 in words is "one hundred ninety-seven billion, nine hundred fifty-two million, nine hundred fifteen thousand, two hundred sixty-three".