1975528763 has 4 divisors (see below), whose sum is σ = 2127492528. Its totient is φ = 1823565000.

The previous prime is 1975528757. The next prime is 1975528799. The reversal of 1975528763 is 3678255791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3678255791 = 7 ⋅525465113.

It is a cyclic number.

It is not a de Polignac number, because 1975528763 - 2²⁶ = 1908419899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1975528063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75981863 + ... + 75981888.

It is an arithmetic number, because the mean of its divisors is an integer number (531873132).

Almost surely, 2^1975528763 is an apocalyptic number.

1975528763 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1975528763 is a deficient number, since it is larger than the sum of its proper divisors (151963765).

1975528763 is a wasteful number, since it uses less digits than its factorization.

1975528763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151963764.

The product of its digits is 3175200, while the sum is 53.

The square root of 1975528763 is about 44446.9207369869. The cubic root of 1975528763 is about 1254.7613103519.

The spelling of 1975528763 in words is "one billion, nine hundred seventy-five million, five hundred twenty-eight thousand, seven hundred sixty-three".