1955531463 has 8 divisors (see below), whose sum is σ = 2607583728. Its totient is φ = 1303583424.

The previous prime is 1955531453. The next prime is 1955531467. The reversal of 1955531463 is 3641355591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1955531463 - 2⁴ = 1955531447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955531467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46945 + ... + 78197.

It is an arithmetic number, because the mean of its divisors is an integer number (325947966).

Almost surely, 2^1955531463 is an apocalyptic number.

1955531463 is a deficient number, since it is larger than the sum of its proper divisors (652052265).

1955531463 is a wasteful number, since it uses less digits than its factorization.

1955531463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52113.

The product of its digits is 243000, while the sum is 42.

The square root of 1955531463 is about 44221.3914638606. The cubic root of 1955531463 is about 1250.5131680713.

The spelling of 1955531463 in words is "one billion, nine hundred fifty-five million, five hundred thirty-one thousand, four hundred sixty-three".