1954019045 has 16 divisors (see below), whose sum is σ = 2594021760. Its totient is φ = 1401086400.

The previous prime is 1954018993. The next prime is 1954019069. The reversal of 1954019045 is 5409104591.

It is not a de Polignac number, because 1954019045 - 2¹⁰ = 1954018021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246290 + ... + 254099.

It is an arithmetic number, because the mean of its divisors is an integer number (162126360).

Almost surely, 2^1954019045 is an apocalyptic number.

It is an amenable number.

1954019045 is a deficient number, since it is larger than the sum of its proper divisors (640002715).

1954019045 is a wasteful number, since it uses less digits than its factorization.

1954019045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500476.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 1954019045 is about 44204.2876314052. The cubic root of 1954019045 is about 1250.1907005052.

The spelling of 1954019045 in words is "one billion, nine hundred fifty-four million, nineteen thousand, forty-five".