1954952999 has 4 divisors (see below), whose sum is σ = 1959468336. Its totient is φ = 1950437664.

The previous prime is 1954952983. The next prime is 1954953043. The reversal of 1954952999 is 9992594591.

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 1954952999 - 2⁴ = 1954952983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954952929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257019 + ... + 2257884.

It is an arithmetic number, because the mean of its divisors is an integer number (489867084).

Almost surely, 2^1954952999 is an apocalyptic number.

1954952999 is a deficient number, since it is larger than the sum of its proper divisors (4515337).

1954952999 is an equidigital number, since it uses as much as digits as its factorization.

1954952999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515336.

The product of its digits is 11809800, while the sum is 62.

The square root of 1954952999 is about 44214.8504351196. The cubic root of 1954952999 is about 1250.3898515200.

The spelling of 1954952999 in words is "one billion, nine hundred fifty-four million, nine hundred fifty-two thousand, nine hundred ninety-nine".