1955419432 has 8 divisors (see below), whose sum is σ = 3666411450. Its totient is φ = 977709712.

The previous prime is 1955419421. The next prime is 1955419463. The reversal of 1955419432 is 2349145591.

It can be written as a sum of positive squares in only one way, i.e., 1876102596 + 79316836 = 43314^2 + 8906^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122213707 + ... + 122213722.

Almost surely, 2^1955419432 is an apocalyptic number.

It is an amenable number.

1955419432 is a deficient number, since it is larger than the sum of its proper divisors (1710992018).

1955419432 is a wasteful number, since it uses less digits than its factorization.

1955419432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244427435 (or 244427431 counting only the distinct ones).

The product of its digits is 194400, while the sum is 43.

The square root of 1955419432 is about 44220.1247397607. The cubic root of 1955419432 is about 1250.4892872800.

The spelling of 1955419432 in words is "one billion, nine hundred fifty-five million, four hundred nineteen thousand, four hundred thirty-two".