1972447095 has 64 divisors (see below), whose sum is σ = 3404021760. Its totient is φ = 972316800.

The previous prime is 1972447091. The next prime is 1972447111. The reversal of 1972447095 is 5907442791.

It is not a de Polignac number, because 1972447095 - 2² = 1972447091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972447091) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2164690 + ... + 2165600.

It is an arithmetic number, because the mean of its divisors is an integer number (53187840).

Almost surely, 2^1972447095 is an apocalyptic number.

1972447095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1972447095 is a deficient number, since it is larger than the sum of its proper divisors (1431574665).

1972447095 is a wasteful number, since it uses less digits than its factorization.

1972447095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116.

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 1972447095 is about 44412.2403735727. The cubic root of 1972447095 is about 1254.1085281355.

The spelling of 1972447095 in words is "one billion, nine hundred seventy-two million, four hundred forty-seven thousand, ninety-five".