1962421738 has 16 divisors (see below), whose sum is σ = 3027911040. Its totient is φ = 953418816.

The previous prime is 1962421733. The next prime is 1962421739. The reversal of 1962421738 is 8371242691.

It is a junction number, because it is equal to n+sod(n) for n = 1962421694 and 1962421703.

It is not an unprimeable number, because it can be changed into a prime (1962421733) 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, 62031 + ... + 88162.

It is an arithmetic number, because the mean of its divisors is an integer number (189244440).

Almost surely, 2^1962421738 is an apocalyptic number.

1962421738 is a deficient number, since it is larger than the sum of its proper divisors (1065489302).

1962421738 is a wasteful number, since it uses less digits than its factorization.

1962421738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150381.

The product of its digits is 145152, while the sum is 43.

The square root of 1962421738 is about 44299.2295418329. The cubic root of 1962421738 is about 1251.9801656056.

The spelling of 1962421738 in words is "one billion, nine hundred sixty-two million, four hundred twenty-one thousand, seven hundred thirty-eight".