1965748038 has 16 divisors (see below), whose sum is σ = 4102430976. Its totient is φ = 626760200.

The previous prime is 1965748021. The next prime is 1965748051. The reversal of 1965748038 is 8308475691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7122138 + ... + 7122413.

It is an arithmetic number, because the mean of its divisors is an integer number (256401936).

Almost surely, 2^1965748038 is an apocalyptic number.

1965748038 is an abundant number, since it is smaller than the sum of its proper divisors (2136682938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1965748038 is a wasteful number, since it uses less digits than its factorization.

1965748038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14244579.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 1965748038 is about 44336.7571885901. The cubic root of 1965748038 is about 1252.6871340824.

The spelling of 1965748038 in words is "one billion, nine hundred sixty-five million, seven hundred forty-eight thousand, thirty-eight".