1997470295 has 4 divisors (see below), whose sum is σ = 2396964360. Its totient is φ = 1597976232.

The previous prime is 1997470243. The next prime is 1997470303. The reversal of 1997470295 is 5920747991.

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

It is a cyclic number.

It is not a de Polignac number, because 1997470295 - 2⁶ = 1997470231 is a prime.

It is a congruent number.

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, 199747025 + ... + 199747034.

It is an arithmetic number, because the mean of its divisors is an integer number (599241090).

Almost surely, 2^1997470295 is an apocalyptic number.

1997470295 is a deficient number, since it is larger than the sum of its proper divisors (399494065).

1997470295 is an equidigital number, since it uses as much as digits as its factorization.

1997470295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399494064.

The product of its (nonzero) digits is 1428840, while the sum is 53.

The square root of 1997470295 is about 44693.0676391764. The cubic root of 1997470295 is about 1259.3896210089.

The spelling of 1997470295 in words is "one billion, nine hundred ninety-seven million, four hundred seventy thousand, two hundred ninety-five".