3748951633 has 12 divisors (see below), whose sum is σ = 4404209652. Its totient is φ = 3181567200.

The previous prime is 3748951607. The next prime is 3748951643. The reversal of 3748951633 is 3361598473.

It can be written as a sum of positive squares in 2 ways, for example, as 2102864449 + 1646087184 = 45857^2 + 40572^2 .

It is not a de Polignac number, because 3748951633 - 2²⁵ = 3715397201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3748951643) 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 11 ways as a sum of consecutive naturals, for example, 373810 + ... + 383707.

It is an arithmetic number, because the mean of its divisors is an integer number (367017471).

Almost surely, 2^3748951633 is an apocalyptic number.

It is an amenable number.

3748951633 is a deficient number, since it is larger than the sum of its proper divisors (655258019).

3748951633 is a wasteful number, since it uses less digits than its factorization.

3748951633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757632 (or 757625 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 49.

The square root of 3748951633 is about 61228.6830905255. The cubic root of 3748951633 is about 1553.4714608156.

The spelling of 3748951633 in words is "three billion, seven hundred forty-eight million, nine hundred fifty-one thousand, six hundred thirty-three".