1951984097 has 32 divisors (see below), whose sum is σ = 2335770624. Its totient is φ = 1596672000.

The previous prime is 1951984063. The next prime is 1951984109. The reversal of 1951984097 is 7904891591.

It is not a de Polignac number, because 1951984097 - 2⁸ = 1951983841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1951984007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3044897 + ... + 3045537.

It is an arithmetic number, because the mean of its divisors is an integer number (72992832).

Almost surely, 2^1951984097 is an apocalyptic number.

It is an amenable number.

1951984097 is a deficient number, since it is larger than the sum of its proper divisors (383786527).

1951984097 is a wasteful number, since it uses less digits than its factorization.

1951984097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909.

The product of its (nonzero) digits is 816480, while the sum is 53.

The square root of 1951984097 is about 44181.2640946363. The cubic root of 1951984097 is about 1249.7565599526.

The spelling of 1951984097 in words is "one billion, nine hundred fifty-one million, nine hundred eighty-four thousand, ninety-seven".