1960621971 has 32 divisors (see below), whose sum is σ = 3347317248. Its totient is φ = 990973440.

The previous prime is 1960621969. The next prime is 1960621991. The reversal of 1960621971 is 1791260691.

It is not a de Polignac number, because 1960621971 - 2¹ = 1960621969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1960621931) 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 31 ways as a sum of consecutive naturals, for example, 106150 + ... + 123243.

It is an arithmetic number, because the mean of its divisors is an integer number (104603664).

Almost surely, 2^1960621971 is an apocalyptic number.

1960621971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1960621971 is a deficient number, since it is larger than the sum of its proper divisors (1386695277).

1960621971 is a wasteful number, since it uses less digits than its factorization.

1960621971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229451.

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 1960621971 is about 44278.9111315985. The cubic root of 1960621971 is about 1251.5973118199.

The spelling of 1960621971 in words is "one billion, nine hundred sixty million, six hundred twenty-one thousand, nine hundred seventy-one".