1951955733073 has 12 divisors (see below), whose sum is σ = 2062369002000. Its totient is φ = 1847182078296.

The previous prime is 1951955733053. The next prime is 1951955733083. The reversal of 1951955733073 is 3703375591591.

It is not a de Polignac number, because 1951955733073 - 2⁹ = 1951955732561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1951955732999 and 1951955733017.

It is not an unprimeable number, because it can be changed into a prime (1951955733043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2653323 + ... + 3308176.

It is an arithmetic number, because the mean of its divisors is an integer number (171864083500).

Almost surely, 2^{1951955733073} is an apocalyptic number.

It is an amenable number.

1951955733073 is a deficient number, since it is larger than the sum of its proper divisors (110413268927).

1951955733073 is an equidigital number, since it uses as much as digits as its factorization.

1951955733073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5962444 (or 5962425 counting only the distinct ones).

The product of its (nonzero) digits is 13395375, while the sum is 58.

The spelling of 1951955733073 in words is "one trillion, nine hundred fifty-one billion, nine hundred fifty-five million, seven hundred thirty-three thousand, seventy-three".