1926009425 has 12 divisors (see below), whose sum is σ = 2427405276. Its totient is φ = 1515547200.

The previous prime is 1926009389. The next prime is 1926009457. The reversal of 1926009425 is 5249006291.

It can be written as a sum of positive squares in 6 ways, for example, as 919787584 + 1006221841 = 30328^2 + 31721^2 .

It is not a de Polignac number, because 1926009425 - 2¹² = 1926005329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 629954 + ... + 633003.

It is an arithmetic number, because the mean of its divisors is an integer number (202283773).

Almost surely, 2^1926009425 is an apocalyptic number.

It is an amenable number.

1926009425 is a deficient number, since it is larger than the sum of its proper divisors (501395851).

1926009425 is a wasteful number, since it uses less digits than its factorization.

1926009425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263028 (or 1263023 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1926009425 is about 43886.3238948080. The cubic root of 1926009425 is about 1244.1883658012.

The spelling of 1926009425 in words is "one billion, nine hundred twenty-six million, nine thousand, four hundred twenty-five".